Studies on extremal problems of spline-approximation
English version (Springer): Ukrainian Mathematical Journal 42 (1990), no. 1, pp 28-50.
Citation Example: Nazarenko N. A., Velikin V. L. Studies on extremal problems of spline-approximation // Ukr. Mat. Zh. - 1990. - 42, № 1. - pp. 34–59.
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