00657nam0-22002291i-450-990001308240403321000130824FED01000130824(Aleph)000130824FED0100013082420000920d--------km-y0itay50------baengVariational Methods for the Study of Nonlinear Operatorsby VAINBERG M.M.Vainberg,M.M.339987ITUNINARICAUNIMARCBK99000130824040332120-C-127384MA1MA1Variational Methods for the Study of Nonlinear Operators383607UNINAING01