@article{IVM_1983_5_a15, author = {N. S. Novikova}, title = {Absolute summability with a~power of orthogonal series by the {Voronoǐ{\textendash}N\"orlund} method}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {80--82}, year = {1983}, number = {5}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1983_5_a15/} }