@article{CMH_1953__27_139064,
     author = {C. Truesdell},
     title = {Generalization of a geometrical theorem of {Euler.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {233--234},
     year = {1953},
     volume = {27},
     zbl = {0050.37705},
     url = {http://geodesic.mathdoc.fr/item/CMH_1953__27_139064/}
}