Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1986__35_134875, author = {P. Olin}, title = {Normal forms for band free products.}, journal = {Semigroup forum}, pages = {265--278}, publisher = {mathdoc}, volume = {35}, year = {1986}, zbl = {0615.20040}, url = {http://geodesic.mathdoc.fr/item/SF_1986__35_134875/} }
P. Olin. Normal forms for band free products.. Semigroup forum, Tome 35 (1986), pp. 265-278. http://geodesic.mathdoc.fr/item/SF_1986__35_134875/