@article{10_4064_aa152_4_1,
     author = {Ekin Ozman},
     title = {Points on quadratic twists of $X_0(N)$},
     journal = {Acta Arithmetica},
     pages = {323--348},
     publisher = {mathdoc},
     volume = {152},
     number = {4},
     year = {2012},
     doi = {10.4064/aa152-4-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa152-4-1/}
}