TY  - JOUR
AU  - Ben Heuer
TI  - Cusps and $q$-expansion principles for modular curves at infinite level
JO  - Documenta mathematica
PY  - 2022
SP  - 2385
EP  - 2439
VL  - 27
UR  - http://geodesic.mathdoc.fr/articles/10.4171/dm/x32/
DO  - 10.4171/dm/x32
ID  - 10_4171_dm_x32
ER  -