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Publication:4028089
zbMath0776.47022MaRDI QIDQ4028089
Publication date: 28 March 1993
Title: zbMATH Open Web Interface contents unavailable due to conflicting licenses.
generalized gradientexistence of multiple solutionsLjusternik-Schnirelmann theoryreduction approachHammerstein's integral equationlinear selfadjoint and completely continuous operatorreal Hilbert space \(H\)
Hermitian and normal operators (spectral measures, functional calculus, etc.) (47B15) Linear operators on function spaces (general) (47B38) Integral operators (47G10) Pseudodifferential operators (47G30)
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