Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1970__113_171276, author = {Karl Strambach}, title = {Sph\"arische {Kreisebenen.}}, journal = {Mathematische Zeitschrift}, pages = {266--292}, publisher = {mathdoc}, volume = {113}, year = {1970}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1970__113_171276/} }
Karl Strambach. Sphärische Kreisebenen.. Mathematische Zeitschrift, Tome 113 (1970), pp. 266-292. http://geodesic.mathdoc.fr/item/MZ_1970__113_171276/