@article{ELMA_1990__45_6_141494,
     author = {S.B. Gaschkov},
     title = {Ein einfacher geometrischer {Beweis} f\"ur die {Determinantenungleichung} von {O.} {Szasz.}},
     journal = {Elemente der Mathematik},
     pages = {153--155},
     publisher = {mathdoc},
     volume = {45},
     number = {6},
     year = {1990},
     zbl = {0722.15021},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1990__45_6_141494/}
}