Geometric properties of V. K. Dzyadyk's regions
English version (Springer): Ukrainian Mathematical Journal 33 (1981), no. 6, pp 543-547.
Citation Example: Andrievskii V. V. Geometric properties of V. K. Dzyadyk's regions // Ukr. Mat. Zh. - 1981. - 33, № 6. - pp. 723-727.
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