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@article{TM_1985_172_a18, author = {S. M. Nikol'skii and P. I. Lizorkin}, title = {Approximation theory on the sphere}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {272--279}, publisher = {mathdoc}, volume = {172}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1985_172_a18/} }
S. M. Nikol'skii; P. I. Lizorkin. Approximation theory on the sphere. Trudy Matematicheskogo Instituta imeni V.A. Steklova, Investigations on the theory of functions of several real variables and approximation of functons, Tome 172 (1985), pp. 272-279. http://geodesic.mathdoc.fr/item/TM_1985_172_a18/