Approximation of functions by tensor product of splines and of trigonometric polynomials
English version (Springer): Ukrainian Mathematical Journal 33 (1981), no. 2, pp 196-200.
Citation Example: Litvinov V. G. Approximation of functions by tensor product of splines and of trigonometric polynomials // Ukr. Mat. Zh. - 1981. - 33, № 2. - pp. 252–257.
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