TY - JOUR AU - T. K. Nurekenov TI - Theorems on the existence and uniqueness of solutions of the Cauchy problem for a nonlinear ordinary differential equation in Banach space JO - Differencialʹnye uravneniâ PY - 1979 SP - 629 EP - 635 VL - 15 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_4_a6/ LA - ru ID - DE_1979_15_4_a6 ER -