Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1983_19_4_a27, author = {M. B. Meshcherskaya}, title = {Qualitative picture of a special system of two equations}, journal = {Differencialʹnye uravneni\^a}, pages = {714--716}, publisher = {mathdoc}, volume = {19}, number = {4}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1983_19_4_a27/} }
M. B. Meshcherskaya. Qualitative picture of a special system of two equations. Differencialʹnye uravneniâ, Tome 19 (1983) no. 4, pp. 714-716. http://geodesic.mathdoc.fr/item/DE_1983_19_4_a27/