%0 Journal Article %A Efrat, Ido %T The Cohomology of Canonical Quotients of Free Groups and Lyndon Words %J Documenta mathematica %D 2017 %P 973-997 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2017__22__a25/ %G en %F DOCMA_2017__22__a25