@article{CM_1982__47_2_223_0,
     author = {Kamienny, S.},
     title = {Modular curves and unramified extensions of number fields},
     journal = {Compositio Mathematica},
     pages = {223--235},
     publisher = {Martinus Nijhoff Publishers},
     volume = {47},
     number = {2},
     year = {1982},
     mrnumber = {677023},
     zbl = {0501.12011},
     language = {en},
     url = {http://www.numdam.org/item/CM_1982__47_2_223_0/}
}