Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1983_34_6_a4, author = {R. R. Ashurov}, title = {Summability almost everywhere of {Fourier} series in $L_p$ with respect to eigenfunctions}, journal = {Matemati\v{c}eskie zametki}, pages = {837--843}, publisher = {mathdoc}, volume = {34}, number = {6}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1983_34_6_a4/} }
R. R. Ashurov. Summability almost everywhere of Fourier series in $L_p$ with respect to eigenfunctions. Matematičeskie zametki, Tome 34 (1983) no. 6, pp. 837-843. http://geodesic.mathdoc.fr/item/MZM_1983_34_6_a4/