@article{DAN_1965_162_6_a12, author = {S. L. Sobolev}, title = {The convergence of approximate integration formulae on functions in the class $L_2^{(m)}$}, journal = {Doklady Akademii Nauk}, pages = {1259--1261}, publisher = {mathdoc}, volume = {162}, number = {6}, year = {1965}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1965_162_6_a12/} }