@article{CRMATH_2015__353_1_1_0,
     author = {Dieulefait, Luis and Freitas, Nuno},
     title = {Base change for elliptic curves over real quadratic fields},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1--4},
     publisher = {Elsevier},
     volume = {353},
     number = {1},
     year = {2015},
     doi = {10.1016/j.crma.2014.10.006},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.crma.2014.10.006/}
}