Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1971_200_6_a1, author = {L. D. Gogoladze}, title = {On $(H,k)$ summability of multiple trigonometric {Fourier} series}, journal = {Doklady Akademii Nauk}, pages = {1266--1268}, publisher = {mathdoc}, volume = {200}, number = {6}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a1/} }
L. D. Gogoladze. On $(H,k)$ summability of multiple trigonometric Fourier series. Doklady Akademii Nauk, Tome 200 (1971) no. 6, pp. 1266-1268. http://geodesic.mathdoc.fr/item/DAN_1971_200_6_a1/