@article{GDZPPN002423642, title = {The Algebraic Braid Groups are Torsion-Free: an Algebraic Proof.}, journal = {Mathematische Zeitschrift}, volume = {174}, year = {1980}, pages = {157-160}, zbl = {0415.20031}, url = {http://dml.mathdoc.fr/item/GDZPPN002423642} }
Dyer, Joan L. The Algebraic Braid Groups are Torsion-Free: an Algebraic Proof.. Mathematische Zeitschrift, Tome 174 (1980) pp. 157-160. http://gdmltest.u-ga.fr/item/GDZPPN002423642/