TY  - JOUR
AU  - Newman, Morris
TI  - The classical modular group as a subgroup of GL(2, Z)†
JO  - Glasgow mathematical journal
PY  - 1985
SP  - 161
EP  - 164
VL  - 26
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500006157/
DO  - 10.1017/S0017089500006157
ID  - 10_1017_S0017089500006157
ER  -