%0 Journal Article %A R.L. Cohen %A G.E. Carlsson %T The cyclic groups and the free loop space. %J Commentarii mathematici Helvetici %D 1987 %P 423-449 %V 62 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1987__62_140092/ %F CMH_1987__62_140092