Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1953__8_140587, author = {Karl Strubecker}, title = {Kinematik, {Liesche} {Kreisgeometrie} und {Geraden-Kugel-Transformation.}}, journal = {Elemente der Mathematik}, pages = {4--13}, publisher = {mathdoc}, volume = {8}, year = {1953}, zbl = {0050.37704}, url = {http://geodesic.mathdoc.fr/item/ELMA_1953__8_140587/} }
Karl Strubecker. Kinematik, Liesche Kreisgeometrie und Geraden-Kugel-Transformation.. Elemente der Mathematik, Tome 8 (1953), pp. 4-13. http://geodesic.mathdoc.fr/item/ELMA_1953__8_140587/