@article{RM_1969_24_1_a14, author = {T. Kh. Enikeeva}, title = {On the {Cauchy} problem for a~class of second order nonlinear differential equations in {a~Banach} space}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, publisher = {mathdoc}, volume = {24}, number = {1}, year = {1969}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/RM_1969_24_1_a14/} }