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@article{DAN_1991_321_1_a3, author = {Kh. P. Rustamov}, title = {On the equivalence of some moduli of smoothness on a sphere}, journal = {Doklady Akademii Nauk}, pages = {23--27}, publisher = {mathdoc}, volume = {321}, number = {1}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_321_1_a3/} }
Kh. P. Rustamov. On the equivalence of some moduli of smoothness on a sphere. Doklady Akademii Nauk, Tome 321 (1991) no. 1, pp. 23-27. http://geodesic.mathdoc.fr/item/DAN_1991_321_1_a3/