@article{ZNSL_2011_390_a8,
     author = {A. V. Malyutin},
     title = {Quasimorphisms, random walks, and transient subsets in countable groups},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {210--236},
     publisher = {mathdoc},
     volume = {390},
     year = {2011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2011_390_a8/}
}