01082nam0-22003971i-450-99000084619040332120080430111823.00-486-63463-9000084619FED01000084619(Aleph)000084619FED0100008461920020821d1977----km-y0itay50------baenga---a---001yyDifferential equationsgeomtric theorySolomon Lefschetz2nd ed.New YorkDover Publications Inc.c1977x, 390 p.ill.21 cmEquazioni differenziali ordinarieTeoria qualitativa515.35Lefschetz,Solomon12523ITUNINARICAUNIMARCBK99000084619040332102 30 D 182988FINBNFIRB-34-(00321876MA110 B II 330715 DEEDINELFINBNMA1DINEL34C1034-02Differential equations82414UNINA