@article{10_4064_cm_72_1_195_206, author = {Andrzej \.Zuk}, title = {A remark on the norm of a random walk on surface groups}, journal = {Colloquium Mathematicum}, pages = {195--206}, publisher = {mathdoc}, volume = {72}, number = {1}, year = {1997}, doi = {10.4064/cm-72-1-195-206}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-72-1-195-206/} }