@article{05224724,
title = {``Non-strict" L'Hospital-Type rules for monotonicity: intervals of constancy.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {8},
year = {2007},
zbl = {1232.26008},
language = {en},
url = {http://dml.mathdoc.fr/item/05224724}
}
Pinelis, Iosif. “Non-strict" L'Hospital-Type rules for monotonicity: intervals of constancy.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 8 (2007) . http://gdmltest.u-ga.fr/item/05224724/