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@article{DAN_1976_228_1_a9, author = {S. L. Sobolev}, title = {The convergence of cubature formulas on the elements of $\tilde{L}_2^{(m)}$}, journal = {Doklady Akademii Nauk}, pages = {45--47}, publisher = {mathdoc}, volume = {228}, number = {1}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_1_a9/} }
S. L. Sobolev. The convergence of cubature formulas on the elements of $\tilde{L}_2^{(m)}$. Doklady Akademii Nauk, Tome 228 (1976) no. 1, pp. 45-47. http://geodesic.mathdoc.fr/item/DAN_1976_228_1_a9/