Kudryavtsev, L. D. Variational problems with free endpoints on bounded and unbounded intervals. (English. Russian original) Zbl 0692.49001 Proc. Steklov Inst. Math. 181, 149-159 (1989); translation from Tr. Mat. Inst. Steklova 181, 137-146 (1988). See the review in Zbl 0659.49001. MSC: 49J15 Existence theories for optimal control problems involving ordinary differential equations 46E30 Spaces of measurable functions (\(L^p\)-spaces, Orlicz spaces, Köthe function spaces, Lorentz spaces, rearrangement invariant spaces, ideal spaces, etc.) 49S05 Variational principles of physics Keywords:minimization problem; functional spaces; Polya-condition; Euler equation; unbounded interval Citations:Zbl 0659.49001 PDFBibTeX XMLCite \textit{L. D. Kudryavtsev}, Proc. Steklov Inst. Math. 181, 149--159 (1989; Zbl 0692.49001); translation from Tr. Mat. Inst. Steklova 181, 137--146 (1988)