@article{JTNB_2002__14_1_205_0, author = {Galbraith, Steven D.}, title = {Rational points on $X_0^+ (N)$ and quadratic $\mathbb {Q}$-curves}, journal = {Journal de th\'eorie des nombres de Bordeaux}, pages = {205--219}, publisher = {Universit\'e Bordeaux I}, volume = {14}, number = {1}, year = {2002}, mrnumber = {1925998}, zbl = {1035.14008}, language = {en}, url = {http://www.numdam.org/item/JTNB_2002__14_1_205_0/} }