@article{DAN_1962_142_2_a1,
     author = {A. S. Dzhafarov},
     title = {On the theory of best approximation of functions of several variables by entire functions of finite degree},
     journal = {Doklady Akademii Nauk},
     pages = {266--269},
     publisher = {mathdoc},
     volume = {142},
     number = {2},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_2_a1/}
}