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@article{DE_1987_23_3_a14, author = {V. A. Ivanov}, title = {On properties of moduli of continuity for functions on a sphere}, journal = {Differencialʹnye uravneni\^a}, pages = {481--487}, publisher = {mathdoc}, volume = {23}, number = {3}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1987_23_3_a14/} }
V. A. Ivanov. On properties of moduli of continuity for functions on a sphere. Differencialʹnye uravneniâ, Tome 23 (1987) no. 3, pp. 481-487. http://geodesic.mathdoc.fr/item/DE_1987_23_3_a14/