@article{MZ_1927__26_167952,
     author = {D. Grawe},
     title = {Fl\"achentreue {Abbildungen} der {Fl\"achen} auf die {Ebene}},
     journal = {Mathematische Zeitschrift},
     pages = {691--693},
     publisher = {mathdoc},
     volume = {26},
     year = {1927},
     zbl = {53.0668.06},
     url = {http://geodesic.mathdoc.fr/item/MZ_1927__26_167952/}
}