@article{IVM_1971_9_a4,
     author = {B. I. Golubov},
     title = {The $p$-variation of functions of two variables},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {40--49},
     publisher = {mathdoc},
     number = {9},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1971_9_a4/}
}