@article{CRMATH_2008__346_11-12_599_0,
     author = {Yu. Bilu and Pierre Parent},
     title = {Integral \protect\emph{j}-invariants and {Cartan} structures for elliptic curves},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {599--602},
     publisher = {Elsevier},
     volume = {346},
     number = {11-12},
     year = {2008},
     doi = {10.1016/j.crma.2008.04.002},
     language = {en},
}