@article{PIM_1980_N_S_27_41_a37,
     author = {Vesna Toma\v{s}evi\'c},
     title = {Die {Eingeschaften} {Der} {Kegelschnitte} {Durch} {Spiegelungen} {Ge\'aussert}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {279 },
     publisher = {mathdoc},
     volume = {_N_S_27},
     number = {41},
     year = {1980},
     url = {http://geodesic.mathdoc.fr/item/PIM_1980_N_S_27_41_a37/}
}