@article{IVM_1968_6_a6,
     author = {K. I. Kucherova},
     title = {Linear summation methods of double {Fourier} series},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {45--54},
     year = {1968},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1968_6_a6/}
}