TY  - JOUR
AU  - Serge Lang
TI  - The Group of Automorphisms of the Modular Function Field.
JO  - Inventiones mathematicae
PY  - 1971
SP  - 253
EP  - 254
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1971__14_142115/
ID  - IM_1971__14_142115
ER  -