Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1984_20_12_a22, author = {V. I. Lyalikova}, title = {Two third-order equations with fixed critical points}, journal = {Differencialʹnye uravneni\^a}, pages = {2169--2171}, publisher = {mathdoc}, volume = {20}, number = {12}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1984_20_12_a22/} }
V. I. Lyalikova. Two third-order equations with fixed critical points. Differencialʹnye uravneniâ, Tome 20 (1984) no. 12, pp. 2169-2171. http://geodesic.mathdoc.fr/item/DE_1984_20_12_a22/