@article{MZ_1955__63_169528,
     author = {Olga Taussky},
     title = {Unimodular integral circulants.},
     journal = {Mathematische Zeitschrift},
     pages = {286--289},
     publisher = {mathdoc},
     volume = {63},
     year = {1955},
     zbl = {0068.26602},
     url = {http://geodesic.mathdoc.fr/item/MZ_1955__63_169528/}
}