01025nam0-2200361-i-450-99001009055040332120160714103126.088-371-0329-8001009055FED01001009055(Aleph)001009055FED0100100905520160714d1985----km-y0itay50------baengITa---a---101yyNonlinear oscillations for conservative systemsproceedings, Venice, 9-12 January 1985edited by Antonio AmbrosettiBolognaPitagora Editrice1985104 p.24 cm cmAtti di congressiAnalisi funzionale matematica - congressiFisica - congressi51523ita53023itaAmbrosetti,AntonioITUNINAREICATUNIMARCBK990010090550403321123-C-33ingr. 89/2016MA1MA146-XX46-06UNINA