%0 Journal Article %A Calegari, Danny %T Quasimorphisms and laws %J Algebraic and Geometric Topology %D 2010 %P 215-217 %V 10 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2010.10.215/ %R 10.2140/agt.2010.10.215 %F 10_2140_agt_2010_10_215