Best bilinear approximations of the classes SΩp,θB of periodic functions of many variables
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Інститут математики НАН України
Abstract
We obtain exact-order estimates for the best bilinear approximations of the classes SΩ p,θ of periodic functions of many variables in the space Lq under certain restrictions on the parameters p, q, and θ.
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Solich K.V. Best bilinear approximations of the classes SΩ p,θ of periodic functions of many variables / K.V. Solich - Ukrainian Mathematical Journal. - 2013. - Vol. 63, No .- P. 940-961.