@article{MAN_1935__110_159734,
     author = {R. Sauer},
     title = {Projektive {S\"atze} in der {Statik} des starren {K\"orpers}},
     journal = {Mathematische Annalen},
     pages = {464--472},
     publisher = {mathdoc},
     volume = {110},
     year = {1935},
     zbl = {60.1343.05},
     url = {http://geodesic.mathdoc.fr/item/MAN_1935__110_159734/}
}