%0 Journal Article %A Wilson, Stephen E. %T Riemann Surfaces Over Regular Maps %J Canadian journal of mathematics %D 1978 %P 763-782 %V 30 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1978-066-5/ %R 10.4153/CJM-1978-066-5 %F 10_4153_CJM_1978_066_5