TY - JOUR AU - A. V. Malyutin TI - Quasimorphisms, random walks, and transient subsets in countable groups JO - Zapiski Nauchnykh Seminarov POMI PY - 2011 SP - 210 EP - 236 VL - 390 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2011_390_a8/ LA - en ID - ZNSL_2011_390_a8 ER -