| Publication | Date of Publication | Type |
|---|
| https://portal.mardi4nfdi.de/entity/Q5126795 | 2020-10-20 | Paper |
| On Odd Perfect Numbers and Even 3-Perfect Numbers | 2013-01-17 | Paper |
| Superharmonic numbers | 2010-11-07 | Paper |
| Odd harmonic numbers exceed 10²⁴ | 2010-10-08 | Paper |
| On the number of distinct prime factors of an odd perfect number | 2007-04-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5393658 | 2006-10-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5479671 | 2006-07-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3023980 | 2005-07-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4787436 | 2003-01-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4526424 | 2001-05-07 | Paper |
| A note on a conjecture of Jeśmanowicz | 2001-01-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4936046 | 2000-01-20 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4243008 | 1999-08-10 | Paper |
| On the conjecture of Jesmanowicz concerning Pythagorean triples | 1999-07-19 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4262798 | 1999-01-01 | Paper |
| Every odd perfect number has a prime factor which exceeds 10⁶ | 1998-06-14 | Paper |
| On a conjecture of Mąkowski and Schinzel | 1998-06-07 | Paper |
| On 𝜙-amicable pairs | 1997-12-16 | Paper |
| Multiamicable Numbers | 1997-08-17 | Paper |
| Numbers whose positive divisors have small integral harmonic mean | 1997-04-08 | Paper |
| Iterating the Sum-of-Divisors Function | 1997-01-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4858178 | 1995-12-12 | Paper |
| On relatively prime numbers and oil drops | 1994-11-10 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4281109 | 1994-03-10 | Paper |
| Arithmetic functions associated with the infinitary divisors of an integer | 1993-11-14 | Paper |
| Improved Techniques for Lower Bounds for Odd Perfect Numbers | 1992-06-26 | Paper |
| On an Integer's Infinitary Divisors | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3820663 | 1989-01-01 | Paper |
| A new lower bound for odd perfect numbers | 1989-01-01 | Paper |
| Infinitary harmonic numbers | 1989-01-01 | Paper |
| A proof of Ilieff's conjecture for polynomials with four zeros | 1988-01-01 | Paper |
| A Simple Verification of Ilieff's Conjecture for Polynomials With Three Zeros | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3752452 | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3686772 | 1985-01-01 | Paper |
| Primitive α-Abundant Numbers | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3957009 | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4740616 | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3932863 | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3957008 | 1982-01-01 | Paper |
| John Ward's method for the calculation of pi | 1981-01-01 | Paper |
| 65.1 Even perfect numbers | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3904658 | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3859839 | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3874290 | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3875994 | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4172113 | 1978-01-01 | Paper |
| Differential equations with nonlinear boundary conditions | 1977-01-01 | Paper |
| Is every absolutely convergent series convergent? | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3853707 | 1976-01-01 | Paper |
| Ordering first‐order differential equations | 1976-01-01 | Paper |
| Selberg Formulae for Gaussian integers | 1975-01-01 | Paper |
| Boundary conditions for expanding domains | 1975-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4071994 | 1974-01-01 | Paper |
