Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1993_6_a8, author = {M. A. Sukhorol'skii}, title = {Averaging of trigonometric series}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {53--56}, publisher = {mathdoc}, number = {6}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1993_6_a8/} }
M. A. Sukhorol'skii. Averaging of trigonometric series. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1993), pp. 53-56. http://geodesic.mathdoc.fr/item/IVM_1993_6_a8/