01266nam2-2200385li-450 99000010213020331620180312154841.00-387-97491-10010213USA010010213(ALEPH)000010213USA01001021320001109d1991----km-y0itay0103----baengUSAlgebraic methods in nonlinear perturbation theoryV. N. Bogaevski, A. PovznerNew York [etc.]Springer-Verlag,copyr. 1991Applied mathematical sciences8800100102122001Applied mathematical sciencesperturbazione (matematica)teorie nonlineari515.35Equazioni differenzialiBogaevskiî,Vladimir Nikolaevich754366Povzner,Alexandr IAkovlevichSistema bibliotecario di Ateneo dell' Università di SalernoRICA990000102130203316515.35 BOG0007774BKTEC1996121120001110USA01171020020403USA011617PATRY9020040406USA011608Algebraic methods in nonlinear perturbation theory1517899UNISA