Leonid Pavlovych Nyzhnyk (on his 70-th birthday)
Citation Example: Berezansky Yu. M., Gorbachuk M. L., Gorbachuk V. I., Khruslov E. Ya., Kostyuchenko A. G., Kuzhel' S. A., Marchenko V. O., Samoilenko A. M., Samoilenko Yu. S. Leonid Pavlovych Nyzhnyk (on his 70-th birthday) // Ukr. Mat. Zh. - 2005. - 57, № 8. - pp. 1120-1122.
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