Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1995_31_6_a4, author = {N. A. Lukashevich}, title = {Simplest third-order differential equations of $P$-type}, journal = {Differencialʹnye uravneni\^a}, pages = {955--961}, publisher = {mathdoc}, volume = {31}, number = {6}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1995_31_6_a4/} }
N. A. Lukashevich. Simplest third-order differential equations of $P$-type. Differencialʹnye uravneniâ, Tome 31 (1995) no. 6, pp. 955-961. http://geodesic.mathdoc.fr/item/DE_1995_31_6_a4/