TY  - BOOK
AU  - Magnus, Wilhelm
TI  - NONEUCLIDEAN TESSELATIONS AND THEIR GROUPS
U1  - 511.6 
PY  - 1974///
CY  - New York
PB  - Academic Press
KW  - Tesselations (Mathematics)
KW  - Geometry, Noneucliden
KW  - Discontinuous Groups
N1  - Bibliography : P. 199-204
ER  -