Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_221_5_a12, author = {L. Ya. Shlyapochnik}, title = {On coercive difference approximations of a problem with oblique derivative}, journal = {Doklady Akademii Nauk}, pages = {1053--1055}, publisher = {mathdoc}, volume = {221}, number = {5}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_221_5_a12/} }
L. Ya. Shlyapochnik. On coercive difference approximations of a problem with oblique derivative. Doklady Akademii Nauk, Tome 221 (1975) no. 5, pp. 1053-1055. http://geodesic.mathdoc.fr/item/DAN_1975_221_5_a12/