@article{JDM_1939__49_146214,
     author = {Max Zacharias and O. Nehring},
     title = {Einige {S\"atze} \"uber ebene {Vielecke.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {123--134},
     publisher = {mathdoc},
     volume = {49},
     year = {1939},
     zbl = {0021.34705},
     url = {http://geodesic.mathdoc.fr/item/JDM_1939__49_146214/}
}