01066nam0-22003371i-450-99000132981040332120100518095648.00-8176-3655-2000132981FED01000132981(Aleph)000132981FED0100013298120001205d1993----km-y0itay50------baengPeriodic solutions of singular lagrangian systemsAntonio Ambrosetti, Vittorio Coti ZelatiBoston [MA]Birkhauserc1993xii, 157 p.24 cmProgress in nonlinear differential equations and their applications10Sistemi dinamiciSistemi lagrangiani515.355Ambrosetti,Antonio<1944- >38493Coti Zelati,Vittorio60429ITUNINARICAUNIMARCBK990001329810403321C-17-(1012369MA1121-C-3912356MA1MA1Periodic solutions of singular lagrangian systems376415UNINA