@article{ELMA_1950__5_140554,
     author = {B.L. van der Waerden},
     title = {Polygone mit maximalem {Fl\"acheninhalt.}},
     journal = {Elemente der Mathematik},
     pages = {121--125},
     year = {1950},
     volume = {5},
     zbl = {0040.36905},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1950__5_140554/}
}