TY  - BOOK
AU  - Van Den Essen,Arno
TI  - On the definition of quasifuchsian modules
T2  - (Report 7723)
AV  - MATH QA3.R46 no.7723 
PY  - 1977///
CY  - Nijmegen
PB  - Catholic University, Department of Mathematics
KW  - Fuchsian modules
KW  - Quasi groups
N1  - Includes bibliographical references
ER  -