Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1982_18_9_a5, author = {V. P. Nozdracheva}, title = {Bifurcations of a structurally unstable separatrix loop}, journal = {Differencialʹnye uravneni\^a}, pages = {1551--1558}, publisher = {mathdoc}, volume = {18}, number = {9}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1982_18_9_a5/} }
V. P. Nozdracheva. Bifurcations of a structurally unstable separatrix loop. Differencialʹnye uravneniâ, Tome 18 (1982) no. 9, pp. 1551-1558. http://geodesic.mathdoc.fr/item/DE_1982_18_9_a5/