@article{MAN_1872__5_156587,
     author = {Korkine},
     title = {Sur les formes quadratiques positives quaternaires. {(Zus.} mit {G.} {Zolotareff)}},
     journal = {Mathematische Annalen},
     pages = {581--583},
     publisher = {mathdoc},
     volume = {5},
     year = {1872},
     url = {http://geodesic.mathdoc.fr/item/MAN_1872__5_156587/}
}