@article{JRAM_1965__218_150674,
     author = {Helmut Hasse and Leon Bernstein},
     title = {Einheitenberechnung mittels des {Jacobi-Perronschen} {Algorithmus.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {51--69},
     publisher = {mathdoc},
     volume = {218},
     year = {1965},
     zbl = {0147.03503},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1965__218_150674/}
}