@article{DAN_1981_258_1_a6,
     author = {E. A. Sevast'yanov},
     title = {On multidimensional variations of functions},
     journal = {Doklady Akademii Nauk},
     pages = {34--37},
     publisher = {mathdoc},
     volume = {258},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_258_1_a6/}
}