%0 Journal Article %A T. K. Nurekenov %T Theorems on the existence and uniqueness of solutions of the Cauchy problem for a nonlinear ordinary differential equation in Banach space %J Differencialʹnye uravneniâ %D 1979 %P 629-635 %V 15 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_4_a6/ %G ru %F DE_1979_15_4_a6