Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1987_23_11_a18, author = {N. D. Vasilevich}, title = {Poincar\'e singular points of complex equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1995--1997}, publisher = {mathdoc}, volume = {23}, number = {11}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_11_a18/} }
N. D. Vasilevich. Poincar\'e singular points of complex equations. Differencialʹnye uravneniâ, Tome 23 (1987) no. 11, pp. 1995-1997. http://geodesic.mathdoc.fr/item/DE_1987_23_11_a18/