TY  - JOUR
AU  - Nobuhiko Ishida
AU  - Noburo Ishii
TI  - Generators and defining equation of the
modular function field of the group ${\mit\Gamma }_1(N)$
JO  - Acta Arithmetica
PY  - 2002
SP  - 303
EP  - 320
VL  - 101
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/aa101-4-1/
DO  - 10.4064/aa101-4-1
LA  - en
ID  - 10_4064_aa101_4_1
ER  -