@article{10_21136_CPM_1965_108250,
     author = {N\'aden{\'\i}k, Zbyn\v{e}k},
     title = {Die {Versch\"arfung} einer {Ungleichung} von {Frobenius} f\"ur den gemischten {Fl\"acheninhalt} der konvexen ebenen {Bereiche}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {220--225},
     publisher = {mathdoc},
     volume = {090},
     number = {2},
     year = {1965},
     doi = {10.21136/CPM.1965.108250},
     mrnumber = {0192411},
     zbl = {0142.20703},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1965.108250/}
}