@article{GDZPPN002276801,
title = {Quadratic fields with and without Euclid's Algorithm},
journal = {Mathematische Annalen},
volume = {109},
year = {1934},
pages = {349-352},
zbl = {60.0933.03},
url = {http://dml.mathdoc.fr/item/GDZPPN002276801}
}
Oppenheim, A. Quadratic fields with and without Euclid's Algorithm. Mathematische Annalen, Tome 109 (1934) pp. 349-352. http://gdmltest.u-ga.fr/item/GDZPPN002276801/