Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1989_305_6_a0, author = {A. P. Buslaev}, title = {Extremal problems in approximation theory, and nonlinear}, journal = {Doklady Akademii Nauk}, pages = {1289--1294}, publisher = {mathdoc}, volume = {305}, number = {6}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_305_6_a0/} }
A. P. Buslaev. Extremal problems in approximation theory, and nonlinear. Doklady Akademii Nauk, Tome 305 (1989) no. 6, pp. 1289-1294. http://geodesic.mathdoc.fr/item/DAN_1989_305_6_a0/