@article{MAN_1992__293_4_164960,
     author = {Salvador Comalada and Enric Nart},
     title = {Modular invariant and good reduction of elliptic curves.},
     journal = {Mathematische Annalen},
     pages = {331--342},
     publisher = {mathdoc},
     volume = {293},
     number = {4},
     year = {1992},
     zbl = {0734.14013},
     url = {http://geodesic.mathdoc.fr/item/MAN_1992__293_4_164960/}
}