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@article{DAN_1982_262_1_a1, author = {B. D. Boyanov}, title = {An extension of the {Markov} inequality}, journal = {Doklady Akademii Nauk}, pages = {13--15}, publisher = {mathdoc}, volume = {262}, number = {1}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_262_1_a1/} }
B. D. Boyanov. An extension of the Markov inequality. Doklady Akademii Nauk, Tome 262 (1982) no. 1, pp. 13-15. http://geodesic.mathdoc.fr/item/DAN_1982_262_1_a1/