@article{DE_1979_15_11_a22, author = {M. T. Terekhin}, title = {\"Uber periodische {L\"osungen} eines {Systems} von {Differentialgleichungen} mit abweichendem {Argument}}, journal = {Differencialʹnye uravneni\^a}, pages = {2098--2099}, publisher = {mathdoc}, volume = {15}, number = {11}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1979_15_11_a22/} }