Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1986_22_3_a19, author = {L. N. Lyapin}, title = {The {Uryson} equation with a discontinuous operator}, journal = {Differencialʹnye uravneni\^a}, pages = {509--518}, publisher = {mathdoc}, volume = {22}, number = {3}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1986_22_3_a19/} }
L. N. Lyapin. The Uryson equation with a discontinuous operator. Differencialʹnye uravneniâ, Tome 22 (1986) no. 3, pp. 509-518. http://geodesic.mathdoc.fr/item/DE_1986_22_3_a19/