TY  - BOOK
ED  - Greenberg, Leon
TI  - Discontinuous groups and riemann surfaces
T2  - Annals of mathematics studies ; no.79
U1  - 515.223 
PY  - 1974///
CY  - Princeton, N.J.
PB  - Princeton University Press 
N1  - Proceedings of the 1973 conference at the university of Maryland
ER  -