Approximation by spherical polynomials
Informatics and Automation, Modern problems of mathematics. Differential equations, mathematical analysis and their applications, Tome 166 (1984), pp. 186-200
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@article{TRSPY_1984_166_a13,
author = {S. M. Nikol'skii and P. I. Lizorkin},
title = {Approximation by spherical polynomials},
journal = {Informatics and Automation},
pages = {186--200},
publisher = {mathdoc},
volume = {166},
year = {1984},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/TRSPY_1984_166_a13/}
}
S. M. Nikol'skii; P. I. Lizorkin. Approximation by spherical polynomials. Informatics and Automation, Modern problems of mathematics. Differential equations, mathematical analysis and their applications, Tome 166 (1984), pp. 186-200. http://geodesic.mathdoc.fr/item/TRSPY_1984_166_a13/