Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DE_1970_6_1_a16, author = {Sh. A. Alimov}, title = {The $L_p$ summability of eigenfunction series}, journal = {Differencialʹnye uravneni\^a}, pages = {164--171}, publisher = {mathdoc}, volume = {6}, number = {1}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1970_6_1_a16/} }
Sh. A. Alimov. The $L_p$ summability of eigenfunction series. Differencialʹnye uravneniâ, Tome 6 (1970) no. 1, pp. 164-171. http://geodesic.mathdoc.fr/item/DE_1970_6_1_a16/