@article{MOMA_1960__64_177087,
     author = {Alexander Ostrowski},
     title = {\"Uber ger\"anderte {Determinanten} und bedingte {Tr\"agheitindizes} quadratischer {Formen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {51--63},
     publisher = {mathdoc},
     volume = {64},
     year = {1960},
     zbl = {0091.01904},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1960__64_177087/}
}