Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1995_31_8_a19, author = {A. P. Begun}, title = {Nondenseness of a set of equations with singular periodic solutions}, journal = {Differencialʹnye uravneni\^a}, pages = {1434--1435}, publisher = {mathdoc}, volume = {31}, number = {8}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1995_31_8_a19/} }
A. P. Begun. Nondenseness of a set of equations with singular periodic solutions. Differencialʹnye uravneniâ, Tome 31 (1995) no. 8, pp. 1434-1435. http://geodesic.mathdoc.fr/item/DE_1995_31_8_a19/