%0 Journal Article %A Stukow, Michał %T The extended mapping class group is generated by 3 symmetries %J Comptes Rendus. Mathématique %D 2004 %P 403-406 %V 338 %N 5 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2003.12.028/ %R 10.1016/j.crma.2003.12.028 %G en %F CRMATH_2004__338_5_403_0