@article{bwmeta1.element.bwnjournal-article-fmv97i1p18bwm,
author = {Maria Mastalerz-Wawrzy\'nczak},
title = {On a certain condition of the monotonicity of functions},
journal = {Fundamenta Mathematicae},
volume = {96},
year = {1977},
pages = {187-198},
zbl = {0365.26003},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv97i1p18bwm}
}
Mastalerz-Wawrzyńczak, Maria. On a certain condition of the monotonicity of functions. Fundamenta Mathematicae, Tome 96 (1977) pp. 187-198. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv97i1p18bwm/