@article{TIMM_2019_25_2_a4,
     author = {S. Bitimkhan},
     title = {Conditions of absolute cesaro summability of multiple trigonometric {Fourier} series},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {42--47},
     year = {2019},
     volume = {25},
     number = {2},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2019_25_2_a4/}
}