Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1971__26_141029, author = {Hubert Frank}, title = {Zur ebenen hyperbolischen {Kinematik.}}, journal = {Elemente der Mathematik}, pages = {121--131}, publisher = {mathdoc}, volume = {26}, year = {1971}, language = {de}, url = {http://geodesic.mathdoc.fr/item/ELMA_1971__26_141029/} }
Hubert Frank. Zur ebenen hyperbolischen Kinematik.. Elemente der Mathematik, Tome 26 (1971), pp. 121-131. http://geodesic.mathdoc.fr/item/ELMA_1971__26_141029/