%0 Journal Article %A Silva, Pedro V. %A Weil, Pascal %T On an algorithm to decide whether a free group is a free factor of another %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 2008 %P 395-414 %V 42 %N 2 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/ita:2007040/ %R 10.1051/ita:2007040 %G en %F ITA_2008__42_2_395_0