@article{1183492630, author = {Ettlinger, H. J.}, title = {Review: L. Bieberbach, Lehrbuch der Funktionentheorie}, journal = {Bull. Amer. Math. Soc.}, volume = {34}, number = {6}, year = {1928}, language = {en}, url = {http://dml.mathdoc.fr/item/1183492630} }
Ettlinger, H. J. Review: L. Bieberbach, Lehrbuch der Funktionentheorie. Bull. Amer. Math. Soc., Tome 34 (1928) no. 6, . http://gdmltest.u-ga.fr/item/1183492630/