| Publication | Date of Publication | Type |
|---|
| https://portal.mardi4nfdi.de/entity/Q6156843 | 2023-06-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5155373 | 2021-10-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4993775 | 2021-06-16 | Paper |
| Strong Interior and Boundary Maximum Principle for Weakly Coupled Linear Cooperative Elliptic Systems | 2020-10-09 | Paper |
| Comparison Principle for Non-cooperative Elliptic Systems and Applications | 2020-07-08 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5212339 | 2020-01-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4627237 | 2019-03-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5371088 | 2017-10-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5348203 | 2017-08-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2833509 | 2016-11-18 | Paper |
| https://portal.mardi4nfdi.de/entity/Q2822191 | 2016-09-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3450406 | 2015-11-05 | Paper |
| Erratum to: ``Optimization for non-linear inverse problems | 2015-09-03 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3003715 | 2011-05-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3627542 | 2009-05-12 | Paper |
| Comparison principle for non-cooperative elliptic systems | 2009-01-14 | Paper |
| Optimization for non-linear inverse problems | 2008-10-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5460101 | 2008-05-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3446083 | 2007-06-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5394099 | 2006-10-25 | Paper |
| Diffraction problems for quasilinear reaction--diffusion systems. | 2004-01-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4407818 | 2003-07-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4779317 | 2002-11-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4493302 | 2000-08-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4490680 | 2000-07-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4332511 | 1997-05-14 | Paper |
| Avoidance control mechanics for food-chain models subject to uncertainties | 1993-01-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3972044 | 1992-06-25 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3356117 | 1991-01-01 | Paper |
| Management of food-chain systems via Liapunov design control | 1991-01-01 | Paper |
| Controlled Chain of Pendulums | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4731032 | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4734998 | 1989-01-01 | Paper |
| Bifurcations in the three dimensional Kolmogorov model | 1987-01-01 | Paper |
| Perturbed higher order population models | 1987-01-01 | Paper |
| Perturbations in the three dimensional Kolmogorov model | 1986-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3775375 | 1986-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3679026 | 1985-01-01 | Paper |
| Damped oscillations modeled by a 3-dimensional time dependent differential system | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3328339 | 1984-01-01 | Paper |
| Damped nonlinear oscillations modeled by a 3-dimensional differential system | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3042498 | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3661369 | 1983-01-01 | Paper |
| Time-dependent oscillating systems with damping, slowly varying parameters, and delay | 1981-01-01 | Paper |
| Damped oscillating systems modeled by hyperbolic differential equations with slowly varying coefficients | 1980-01-01 | Paper |
| Damped oscillating processes in biological and biochemical systems | 1980-01-01 | Paper |
| Comments on a Paper By Seymour and Mortel | 1980-01-01 | Paper |
| Response of a nonlinear vibrator governed by a certain partial differential equation | 1979-01-01 | Paper |
| The Krylov-Bogoliubov-Mitropolskii method applied to models of population dynamics | 1978-01-01 | Paper |
| Forced vibrations of systems with retardation and damping | 1978-01-01 | Paper |
| Vibrations of a viscoelastic rod with small non-linearities | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4162544 | 1977-01-01 | Paper |
| Non-linear vibrating systems in resonance governed by hyperbolic differential equations | 1976-01-01 | Paper |
| Non-linear Differential Equations with Damping and Large Time Delay | 1976-01-01 | Paper |
| Damped forced non-linear vibrations of systems with delay | 1976-01-01 | Paper |
| Van der Pol's equation with damping and time delay | 1976-01-01 | Paper |
| Asymptotic solutions of partial differential equations with damping and delay | 1975-01-01 | Paper |
| Second order hyperbolic equations with small non-linearities in the case of internal resonance | 1974-01-01 | Paper |
| Asymptotic Solution of a Non-linear Second Order Hyperbolic Differential Equation with Large Time Delay | 1974-01-01 | Paper |
| Monofrequent oscillations in mechanical systems governed by second order hyperbolic differential equations with small non-linearities | 1973-01-01 | Paper |
| Vibrations of a system with memory, non-linear elasticity, friction and relaxation | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5680432 | 1973-01-01 | Paper |
| ON ASYMPTOTIC SOLUTIONS OF NONLINEAR DIFFERENTIAL EQUATIONS WITH TIME LAG | 1972-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4076843 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4080789 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5619314 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5632951 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5640045 | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5648752 | 1970-01-01 | Paper |
| On the asymptotic solution of a nonlinear second-order differential equation with slowly varying parameters in the presence of a large resistance | 1969-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5630014 | 1969-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5636375 | 1969-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5640044 | 1969-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5654427 | 1969-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5562832 | 1968-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5683100 | 1968-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4067416 | 1967-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069070 | 1967-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4073723 | 1967-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4068168 | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069068 | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069069 | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4070830 | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5512829 | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5568163 | 1966-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4068183 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4068184 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4068185 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069064 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069066 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069071 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069072 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4069074 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4070829 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5729760 | 1962-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5516108 | 1959-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5339982 | 1957-01-01 | Paper |
