1. Theory of braids;Artin;Ann. of Math.,1947
2. Braids, links, and mapping class groups;Birman;Ann. of Math. Stud.,1975
3. S. Burckel, The wellordering of positive braids, J. Pure Appl. Algebra
4. Deux propriétés des groupes de tresses;Dehornoy;C.R. Acad. Sci. Paris,1992
5. Braid groups and left distributive operations;Dehornoy;Trans. Amer. Math. Soc.,1994