@article{RM_2013_68_5_a9,
     author = {A. A. Agrach\"ev and D. V. Anosov and S. M. Aseev and V. M. Buchstaber and A. M. Vershik and Ya. B. Vorobets and V. A. Kaimanovich and B. S. Kashin and I. G. Lys\"enok and A. Yu. Ol'shanskii and V. N. Remeslennikov and Ya. G. Sinai and S. K. Smirnov and A. M. Stepin and I. A. Taimanov and E. V. Shchepin},
     title = {Rostislav {Ivanovich} {Grigorchuk}  (on his sixtieth birthday)},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {967--971},
     publisher = {mathdoc},
     volume = {68},
     number = {5},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2013_68_5_a9/}
}