@article{1195581607, author = {Takasu, Tsurusaburo}, title = {Zur Theorie der Kreisscharen im konformen Raume, I}, journal = {Proc. Imp. Acad.}, volume = {4}, number = {10}, year = {1928}, pages = { 580-583}, language = {de}, url = {http://dml.mathdoc.fr/item/1195581607} }
Takasu, Tsurusaburo. Zur Theorie der Kreisscharen im konformen Raume, I. Proc. Imp. Acad., Tome 4 (1928) no. 10, pp. 580-583. http://gdmltest.u-ga.fr/item/1195581607/