Generalization of a theorem of volterra
English version (Springer): Ukrainian Mathematical Journal 39 (1987), no. 5, pp 530-533.
Citation Example: Lomakovich A. N., Zabreyko P. P. Generalization of a theorem of volterra // Ukr. Mat. Zh. - 1987. - 39, № 5. - pp. 648–651.
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