%0 Journal Article %A CILIA, RAFFAELLA %A GUTIÉRREZ, JOAQUÍN M. %T LEFT l1-FACTORABLE POLYNOMIALS %J Glasgow mathematical journal %D 2009 %P 631-649 %V 51 %N 3 %U http://geodesic.mathdoc.fr/articles/10.1017/S001708950999005X/ %R 10.1017/S001708950999005X %F 10_1017_S001708950999005X