(No Title)
収録刊行物
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- Inst. Mat. Sci., Academy of Sciences of the Ukrainian SSR. N. K. Krupskaya Kherson Pedagogical Institute. Translated from Porosh
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Inst. Mat. Sci., Academy of Sciences of the Ukrainian SSR. N. K. Krupskaya Kherson Pedagogical Institute. Translated from Porosh (5), 45-, 1976