@article{10_4153_CMB_2007_032_1,
     author = {Chiang-Hsieh, Hung-Jen and Yang, Yifan},
     title = {Determination of {Hauptmoduls} and {Construction} of {Abelian} {Extensions} of {Quadratic} {Number} {Fields}},
     journal = {Canadian mathematical bulletin},
     pages = {334--346},
     year = {2007},
     volume = {50},
     number = {3},
     doi = {10.4153/CMB-2007-032-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2007-032-1/}
}