Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1986_286_2_a10, author = {V. N. Temlyakov}, title = {Best bilinear approximations of periodic functions of several}, journal = {Doklady Akademii Nauk}, pages = {301--304}, publisher = {mathdoc}, volume = {286}, number = {2}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1986_286_2_a10/} }
V. N. Temlyakov. Best bilinear approximations of periodic functions of several. Doklady Akademii Nauk, Tome 286 (1986) no. 2, pp. 301-304. http://geodesic.mathdoc.fr/item/DAN_1986_286_2_a10/