Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1992_322_2_a8, author = {P. L. Ul'yanov}, title = {Absolute convergence of trigonometric {Fourier} series}, journal = {Doklady Akademii Nauk}, pages = {253--258}, publisher = {mathdoc}, volume = {322}, number = {2}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1992_322_2_a8/} }
P. L. Ul'yanov. Absolute convergence of trigonometric Fourier series. Doklady Akademii Nauk, Tome 322 (1992) no. 2, pp. 253-258. http://geodesic.mathdoc.fr/item/DAN_1992_322_2_a8/