@article{IVM_1972_12_a5,
     author = {B. I. Golubov},
     title = {Double {Fourier} series, and functions of bounded variation},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {55--68},
     year = {1972},
     number = {12},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1972_12_a5/}
}