01109nam a2200313 i 450099100114723970753620020507184125.0970912s1996 us ||| | eng 0817639136b1080738x-39ule_instLE01307784ExLDip.to Matematicaeng515.64AMS 49J35Willem, Michel344839Minimax theorems /Michel WillemBoston ; Basel ; Berlin :Birkhauser,c1996viii, 159 p. ;24 cm.Progress in nonlinear differential equations and their applications ;24Includes bibliographical references and indexBoundary value problemsMathematical physicsMaxima and minima.b1080738x23-02-1728-06-02991001147239707536LE013 49J WIL11 (1996)12013000090276le013-E0.00-l- 0101100.i1091238128-06-02Minimax theorems375401UNISALENTOle01301-01-97ma -engus 01