01012nam0-22003731i-450-99000136146040332120070328155143.0000136146FED01000136146(Aleph)000136146FED0100013614620001205d1996----km-y0itay50------baengMinimax theoremsMichel WillemBoston [MA]Birkhauserc1996viii, 159 p.ill.24 cmProgress in nonlinear differential equations and their applications24Problemi di minimomassimoProblemi al contorno515.64Willem,Michel344839ITUNINARICAUNIMARCBK990001361460403321C-17-(2414789MA102 36 B 478276FINBNMA1FINBN49-0235-0249J3549K35Minimax theorems375401UNINA