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@article{IVM_1960_6_a22, author = {A. A. Potapenko}, title = {Determination of a~periodic solution of a~differential equation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {207--213}, publisher = {mathdoc}, number = {6}, year = {1960}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1960_6_a22/} }
A. A. Potapenko. Determination of a~periodic solution of a~differential equation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1960), pp. 207-213. http://geodesic.mathdoc.fr/item/IVM_1960_6_a22/