Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1989_306_2_a8, author = {R. M. Trigub}, title = {Multipliers of {Fourier} series and approximation of functions by}, journal = {Doklady Akademii Nauk}, pages = {292--296}, publisher = {mathdoc}, volume = {306}, number = {2}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_306_2_a8/} }
R. M. Trigub. Multipliers of Fourier series and approximation of functions by. Doklady Akademii Nauk, Tome 306 (1989) no. 2, pp. 292-296. http://geodesic.mathdoc.fr/item/DAN_1989_306_2_a8/