00948nam0-22002651i-450-990001318870403321000131887FED01000131887(Aleph)000131887FED0100013188720000920d1989----km-y0itay50------baengMinimax Result of Lusternik - Schnirelman Type and ApplicationsPart 2 of the Proceedings of the NATO ASI "Variational Methods in Nonlinear Problems "Ivar Ekeland, Andrzej Szulkin.MontrealLes Presses de l'Université de Montréal1989.Séminaire de Mathématiques Supérieures107Ekeland,Ivar30998Szulkin,AndrzejITUNINARICAUNIMARCBK99000131887040332125-D-12-(1078775MA1MA1Minimax Result of Lusternik - Schnirelman Type and Applications382511UNINAING01