Approximation of differentiable periodic functions by local splines of minimum deficiency
English version (Springer): Ukrainian Mathematical Journal 33 (1981), no. 5, pp 531-533.
Citation Example: Ligun A. A. Approximation of differentiable periodic functions by local splines of minimum deficiency // Ukr. Mat. Zh. - 1981. - 33, № 5. - pp. 691—693.
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