%0 Journal Article %A A. M. Vershik %A A. V. Malyutin %T Phase transition in the exit boundary problem for random walks on groups %J Funkcionalʹnyj analiz i ego priloženiâ %D 2015 %P 7-20 %V 49 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_2015_49_2_a1/ %G ru %F FAA_2015_49_2_a1