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@article{IVM_1970_6_a8, author = {V. B. Osipov}, title = {Asymptotic integration of a~second order differential equation in {a~Banach} space}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {76--82}, publisher = {mathdoc}, number = {6}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1970_6_a8/} }
V. B. Osipov. Asymptotic integration of a~second order differential equation in a~Banach space. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1970), pp. 76-82. http://geodesic.mathdoc.fr/item/IVM_1970_6_a8/