@article{GDZPPN002062712,
title = {Univalent functions and the Schwarzian derivative.},
journal = {Commentarii mathematici Helvetici},
volume = {52},
year = {1977},
pages = {561-572},
zbl = {0373.30013},
url = {http://dml.mathdoc.fr/item/GDZPPN002062712}
}
Gehring, F.W. Univalent functions and the Schwarzian derivative.. Commentarii mathematici Helvetici, Tome 52 (1977) pp. 561-572. http://gdmltest.u-ga.fr/item/GDZPPN002062712/