%0 Journal Article %A Yves Guivarc'h %A Roman Urban %T Semigroup actions on tori and stationary measures on projective spaces %J Studia Mathematica %D 2005 %P 33-66 %V 171 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm171-1-3/ %R 10.4064/sm171-1-3 %G en %F 10_4064_sm171_1_3