@article{TM_1977_143_a2,
     author = {O. V. Besov},
     title = {Intercellular averagings and an error estimate for cubature formulas in {S.\,L.~Sobolev's} spaces and their generalizations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {42--56},
     publisher = {mathdoc},
     volume = {143},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1977_143_a2/}
}