01655nam2-2200457li-450 99000022997020331620180312154723.00-8176-3655-20022997USA010022997(ALEPH)000022997USA0100229972001994091993-------y0itay0103----baengUSPeriodic solutions of singular Lagrangian systemsAntonio Ambrosetti, Vittorio Coti ZelatiBoston [etc.]Birkhäusercopyr.1993XII, 157 p.ill.24 cmProgress in nonlinear differential equations and their applications1000100229802001Progress in nonlinear differentialequations and their applicationsEquazioni differenziali non lineariTeoria dei punti critici <analisi matematica>515.355Equazioni differenziali non lineariAMBROSETTI,Antonio38493Coti_Zelati,VittorioSistema bibliotecario di Ateneo dell' Università di SalernoRICA990000229970203316515.355 AMB16101/CBS515. 35500221729515.355 AMB10714 ING515.355BKTECSCI1994090720001110USA011714PATTY9020010322USA01094620020403USA011631PATRY9020040406USA011617RSIAV79020090525USA011141PASSARO9020101001USA011351Periodic solutions of singular Lagrangian systems1490707UNISA