@article{UZKU_1953_113_10_a16,
     author = {I. A. Kipriyanov},
     title = {On polynomials like {S.~N.~Bernshtein's} for functions of two variables},
     journal = {U\v{c}\"enye zapiski Kazanskogo universiteta. Seri\^a Fiziko-matemati\v{c}eskie nauki},
     pages = {193--207},
     publisher = {mathdoc},
     volume = {113},
     number = {10},
     year = {1953},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZKU_1953_113_10_a16/}
}