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@article{DAN_1983_273_1_a13, author = {M. A. Chahkiev}, title = {Linear differential operators and optimal quadrature formulas}, journal = {Doklady Akademii Nauk}, pages = {60--65}, publisher = {mathdoc}, volume = {273}, number = {1}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1983_273_1_a13/} }
M. A. Chahkiev. Linear differential operators and optimal quadrature formulas. Doklady Akademii Nauk, Tome 273 (1983) no. 1, pp. 60-65. http://geodesic.mathdoc.fr/item/DAN_1983_273_1_a13/