@article{MAN_1934__109_159685,
     author = {A. Oppenheim},
     title = {Quadratic fields with and without {Euclid's} {Algorithm}},
     journal = {Mathematische Annalen},
     pages = {349--352},
     publisher = {mathdoc},
     volume = {109},
     year = {1934},
     zbl = {60.0933.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1934__109_159685/}
}