Abanin, A. V.; Bogachev, V. A.; Braĭchev, G. G.; Vatul’yan, A. O.; Karyakin, M. I.; Kiryutenko, Yu. A.; Kusraev, A. G.; Le Hai Khoi; Mal’tsev, I. M.; Melikhov, S. N.; Nalbandyan, Yu. S.; Ustinov, Yu. A.; Ha Huy Bang; Sherstyukov, V. B. Yuriĭ Fëdorovich Korobeĭnik (on his 90’s anniversary). (Russian) Zbl 1474.01018 Vladikavkaz. Mat. Zh. 22, No. 3, 151-157 (2020). MSC: 01A70 Biographies, obituaries, personalia, bibliographies Biographic References: Korobeĭnik, Yuriĭ Fëdorovich PDFBibTeX XMLCite \textit{A. V. Abanin} et al., Vladikavkaz. Mat. Zh. 22, No. 3, 151--157 (2020; Zbl 1474.01018) Full Text: MNR