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@article{DAN_1966_170_4_a6, author = {V. N. Malozemov}, title = {Joint approximation of a function and its derivatives by algebraic polynomials}, journal = {Doklady Akademii Nauk}, pages = {773--775}, publisher = {mathdoc}, volume = {170}, number = {4}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_4_a6/} }
V. N. Malozemov. Joint approximation of a function and its derivatives by algebraic polynomials. Doklady Akademii Nauk, Tome 170 (1966) no. 4, pp. 773-775. http://geodesic.mathdoc.fr/item/DAN_1966_170_4_a6/