%0 Journal Article
%A Björklund, Michael
%A Hartnick, Tobias
%T Biharmonic functions on groups and limit theorems for quasimorphisms along random walks
%J Geometry & topology
%D 2011
%P 123-143
%V 15
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.2140/gt.2011.15.123/
%R 10.2140/gt.2011.15.123
%F GT_2011_15_1_a3