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Publication:3763143
zbMath0627.47034MaRDI QIDQ3763143
Publication date: 1986
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
eigenvaluessemilinear equationfinite multiplicitydual least action principleFenchel transformboundary value problems for ordinary or partial differential equationsGateaux-differentiable continuous and convex functionlinear self-adjoint operator with a closed range and a nontrivial null-space
Equations involving nonlinear operators (general) (47J05) General theory of ordinary differential operators (47E05) General theory of partial differential operators (47F05) Derivatives of functions in infinite-dimensional spaces (46G05)
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