@article{10_4171_dm_584, author = {Ido Efrat}, title = {The {Cohomology} of {Canonical} {Quotients} of {Free} {Groups} and {Lyndon} {Words}}, journal = {Documenta mathematica}, pages = {973--997}, year = {2017}, volume = {22}, doi = {10.4171/dm/584}, url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/584/} }