@article{CMH_1980__55_139846,
     author = {David Fried},
     title = {Closed similarity manifolds.},
     journal = {Commentarii mathematici Helvetici},
     pages = {576--582},
     year = {1980},
     volume = {55},
     zbl = {0455.57005},
     url = {http://geodesic.mathdoc.fr/item/CMH_1980__55_139846/}
}