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@article{DE_1989_25_2_a24, author = {V. S. Medvedev}, title = {On the bifurcation of the separatrix connecting two equilibrium states}, journal = {Differencialʹnye uravneni\^a}, pages = {332--335}, publisher = {mathdoc}, volume = {25}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1989_25_2_a24/} }
V. S. Medvedev. On the bifurcation of the separatrix connecting two equilibrium states. Differencialʹnye uravneniâ, Tome 25 (1989) no. 2, pp. 332-335. http://geodesic.mathdoc.fr/item/DE_1989_25_2_a24/