Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1974_6_a7, author = {K. M. Slepenchuk and N. I. Udalaya}, title = {Absolute summability of series by matrix {methods.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {65--73}, publisher = {mathdoc}, number = {6}, year = {1974}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1974_6_a7/} }
K. M. Slepenchuk; N. I. Udalaya. Absolute summability of series by matrix methods.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 6 (1974), pp. 65-73. http://geodesic.mathdoc.fr/item/IVM_1974_6_a7/