Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1978_14_2_a23, author = {S. N. Nikitina}, title = {On solutions for a certain class of systems of differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {374--375}, publisher = {mathdoc}, volume = {14}, number = {2}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1978_14_2_a23/} }
S. N. Nikitina. On solutions for a certain class of systems of differential equations. Differencialʹnye uravneniâ, Tome 14 (1978) no. 2, pp. 374-375. http://geodesic.mathdoc.fr/item/DE_1978_14_2_a23/