@article{SM_1981_39_1_a6,
     author = {V. V. Napalkov},
     title = {Approximation of functions of several variables, taking account of the growth of the coefficients of the approximating combinations},
     journal = {Sbornik. Mathematics},
     pages = {133--143},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1981_39_1_a6/}
}