Drozd, Yu.; Bezushchak, O.; Kirichenko, V.; Komarnitsky, M.; Kurdachenko, L.; Lavrenyuk, Ya.; Lyubashenko, V.; Nekrashevich, V.; Novikov, B.; Oliynyk, A.; Oliynyk, B.; Petravchuk, A.; Subbotin, I.; Sushchansky, V.; Zelmanov, E.; Zhuchok, A.; Zhuchok, Yu. Rostislav I. Grigorchuk. To the 60th anniversary. (English) Zbl 1279.01035 Algebra Discrete Math. 15, No. 1, C-F (2013). MSC: 01A70 Biographies, obituaries, personalia, bibliographies Biographic References: Grigorchuk, Rostislav I. PDFBibTeX XMLCite \textit{Yu. Drozd} et al., Algebra Discrete Math. 15, No. 1, C-F (2013; Zbl 1279.01035)