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@article{DE_1999_35_8_a2, author = {S. M. Dzyuba}, title = {On conditionally periodic solutions of differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1020--1023}, publisher = {mathdoc}, volume = {35}, number = {8}, year = {1999}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1999_35_8_a2/} }
S. M. Dzyuba. On conditionally periodic solutions of differential equations. Differencialʹnye uravneniâ, Tome 35 (1999) no. 8, pp. 1020-1023. http://geodesic.mathdoc.fr/item/DE_1999_35_8_a2/