@article{MZ_1968__103_170897,
     author = {Hermann Schaal},
     title = {Eine {Verallgemeinerung} der {Edlingerschen} {Fl\"achen.}},
     journal = {Mathematische Zeitschrift},
     pages = {69--77},
     publisher = {mathdoc},
     volume = {103},
     year = {1968},
     zbl = {0153.50802},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__103_170897/}
}