00000nam a2200000 a 4500 20251203111211.0 0821808966 530.155 LAV Lavrent'ev, M.M. III- Posed Problems of Mathematical Physics and Analysis Rhode Island American Mathematical Society 1986 vi,290p. 25cm. PB Translation of mathematical monogrphs Vol.64 Boundary value problems--Improperly posed problms Numerical analysis--Improperly posed problems Mathematical physics Romanov, V.G. Shishat.Skill, S.P. _ 145695 LIBSC C 117490 117490 0 0 0 0 PU PU 2009-05-04 89.10 0 530.155 LAV 145695 BK