01072nam0-22003371i-450-990000857950403321200010100-8176-3452-5000085795FED01000085795(Aleph)000085795FED0100008579520001010d--------km-y0itay50------baitay-------001yyVariational MethodsProceedings of a coference Paris, June 1988Edited by Henri Berestycki, Jean-Michel Coron, IvarEkelandBostonBirkhauser1990IX, 477 p. 13 ill. 24 cmProgress in nonlinear differential equations and their applications4Progress in Non linear Differential Equations and Their Ap plicationsN.4Variational Methods515.64Berestycki,HenriITUNINARICAUNIMARCBK99000085795040332102 36 B 316474FINBNFINBNVariational Methods349712UNINAING01