Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1972_9_a4, author = {S. O. Kallaev}, title = {Saturation classes of certain summability methods for {Fourier--Legendre} series}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {33--43}, publisher = {mathdoc}, number = {9}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1972_9_a4/} }
S. O. Kallaev. Saturation classes of certain summability methods for Fourier--Legendre series. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1972), pp. 33-43. http://geodesic.mathdoc.fr/item/IVM_1972_9_a4/