Bol’shev, L. N.; Il’in, V. A.; Krasovskij, N. N.; Prokhorov, Yu. V.; Sotskov, B. S.; Tikhonov, A. N. Petr Ivanovich Kuznetsov (on the fortieth year of his career). (English) Zbl 0367.01020 Differ. Equations 12(1976), 401-404 (1977). MSC: 01A70 PDFBibTeX XMLCite \textit{L. N. Bol'shev} et al., Differ. Equations 12, 401--404 (1977; Zbl 0367.01020)
Bol’shev, L. N.; Il’in, V. A.; Krasovskij, N. N.; Prokhorov, Yu. V.; Sotskov, B. S.; Tikhonov, A. N. Petr Ivanovich Kuznetsov (Zum 40. Jahr der wissenschaftlichen Tätigkeit). (Russian) Zbl 0318.01020 Differ. Uravn. 12, 567-570 (1976). MSC: 01A70 PDFBibTeX XMLCite \textit{L. N. Bol'shev} et al., Differ. Uravn. 12, 567--570 (1976; Zbl 0318.01020)