@article{10_4153_CMB_2012_020_x,
     author = {Hoang, Giabao and Ressler, Wendell},
     title = {Conjugacy {Classes} and {Binary} {Quadratic} {Forms} for the {Hecke} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {570--583},
     year = {2013},
     volume = {56},
     number = {3},
     doi = {10.4153/CMB-2012-020-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2012-020-x/}
}