Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1936__40_168626, author = {H. Beck}, title = {\"Uber {Ternionen} in der {Geometrie}}, journal = {Mathematische Zeitschrift}, pages = {509--520}, publisher = {mathdoc}, volume = {40}, year = {1936}, zbl = {0012.36703}, url = {http://geodesic.mathdoc.fr/item/MZ_1936__40_168626/} }
H. Beck. Über Ternionen in der Geometrie. Mathematische Zeitschrift, Tome 40 (1936), pp. 509-520. http://geodesic.mathdoc.fr/item/MZ_1936__40_168626/