Approximation of periodic functions by splines of minimal defect
English version (Springer): Ukrainian Mathematical Journal 32 (1980), no. 3, pp 259-261.
Citation Example: Ligun A. A. Approximation of periodic functions by splines of minimal defect // Ukr. Mat. Zh. - 1980. - 32, № 3. - pp. 388 – 392.
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