Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1980_16_7_a1, author = {V. B. Andreev}, title = {Grid approximations of nonsmooth solutions of differential equations}, journal = {Differencialʹnye uravneni\^a}, pages = {1172--1184}, publisher = {mathdoc}, volume = {16}, number = {7}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1980_16_7_a1/} }
V. B. Andreev. Grid approximations of nonsmooth solutions of differential equations. Differencialʹnye uravneniâ, Tome 16 (1980) no. 7, pp. 1172-1184. http://geodesic.mathdoc.fr/item/DE_1980_16_7_a1/