TY - JOUR AU - Kamienny, S. TI - Modular curves and unramified extensions of number fields JO - Compositio Mathematica PY - 1982 SP - 223 EP - 235 VL - 47 IS - 2 PB - Martinus Nijhoff Publishers UR - http://www.numdam.org/item/CM_1982__47_2_223_0/ LA - en ID - CM_1982__47_2_223_0 ER -