@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},
     year = {1976},
     volume = {228},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1976_228_1_a9/}
}