@article{IVM_1980_1_a7,
     author = {N. S. Novikova and N. I. Volkova},
     title = {Absolute summability of degree $p$ of series that are connected with {Fourier} series, by triangular matrix methods},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {45--49},
     publisher = {mathdoc},
     number = {1},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1980_1_a7/}
}