00848nam0-22002771i-450-990002547730403321000254773FED01000254773(Aleph)000254773FED0100025477320000920d1979----km-y0itay50------baENGLocal Methods in Nonlinear Differential EquationsAlexander D. Bruno.BerlinSpringer Verlag1979.348 p.25 cmEquazioni differenziali ed integrali, Equazioni differenziali ordinarie519Bruno,Alexander D.41841ITUNINARICAUNIMARCBK990002547730403321MX-A-12909MASMASLokal'nyi metod nelineinogo analiza differentsial'nykh uravnenii52234UNINAING01