@article{CMH_1937__10_138704,
     author = {K. Merz},
     title = {Vielflache mit {Doppelstrecken,} aus {Prismen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {270--274},
     year = {1937},
     volume = {10},
     url = {http://geodesic.mathdoc.fr/item/CMH_1937__10_138704/}
}