@article{JRAM_1941__183_183491,
     author = {L. R\'edei},
     title = {\"Uber den {Euklidischen} {Algorithmus} in reellquadratischen {Zahlk\"orpern.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {183--192},
     publisher = {mathdoc},
     volume = {183},
     year = {1941},
     zbl = {0025.01502},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1941__183_183491/}
}