@article{DAN_1971_198_3_a1,
     author = {V. V. Borzov},
     title = {Certain applications of piecewise polynomial approximations of functions in the anisotropic classes $W_p^r$},
     journal = {Doklady Akademii Nauk},
     pages = {499--501},
     publisher = {mathdoc},
     volume = {198},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_198_3_a1/}
}