@article{01590724,
title = {Getting rid of the negative Schwarzian derivative condition.},
journal = {Annals of Mathematics. Second Series},
volume = {151},
year = {2000},
pages = {743-762},
doi = {10.2307/2661353},
zbl = {0988.37044},
language = {en},
url = {http://dml.mathdoc.fr/item/01590724}
}
Kozlovski, O.S. Getting rid of the negative Schwarzian derivative condition.. Annals of Mathematics. Second Series, Tome 151 (2000) pp. 743-762. doi : 10.2307/2661353. http://gdmltest.u-ga.fr/item/01590724/