@article{GDZPPN002066556, title = {The cyclic groups and the free loop space.}, journal = {Commentarii mathematici Helvetici}, volume = {62}, year = {1987}, pages = {423-449}, zbl = {0632.57028}, url = {http://dml.mathdoc.fr/item/GDZPPN002066556} }
Cohen, R.L.; Carlsson, G.E. The cyclic groups and the free loop space.. Commentarii mathematici Helvetici, Tome 62 (1987) pp. 423-449. http://gdmltest.u-ga.fr/item/GDZPPN002066556/