@article{JTNB_2012__24_3_605_0, author = {Collas, Benjamin}, title = {Action of the {Grothendieck-Teichm\"uller} group on torsion elements of full {Teichm\"uller} modular groups in genus zero}, journal = {Journal de th\'eorie des nombres de Bordeaux}, pages = {605--622}, publisher = {Soci\'et\'e Arithm\'etique de Bordeaux}, volume = {24}, number = {3}, year = {2012}, doi = {10.5802/jtnb.813}, zbl = {1278.14040}, mrnumber = {3010631}, language = {en}, url = {http://www.numdam.org/articles/10.5802/jtnb.813/} }