@article{MZ_1959__72_183627,
     author = {Alexander Ostrowski},
     title = {\"Uber {Produkte} {Hermitescher} {Matrizen} und {B\"uschel} {Hermitescher} {Formen.}},
     journal = {Mathematische Zeitschrift},
     pages = {1--15},
     publisher = {mathdoc},
     volume = {72},
     year = {1959},
     zbl = {0087.01803},
     url = {http://geodesic.mathdoc.fr/item/MZ_1959__72_183627/}
}