@article{CMH_1977__52_139702,
     author = {M.A. Kervaire and M. Pavaman Murthy},
     title = {On the projective class group of cyclic groups of prime power order.},
     journal = {Commentarii mathematici Helvetici},
     pages = {415--452},
     year = {1977},
     volume = {52},
     zbl = {0355.12009},
     url = {http://geodesic.mathdoc.fr/item/CMH_1977__52_139702/}
}