@article{bwmeta1.element.bwnjournal-article-ccv36i3p803bwm,
author = {Zaj\'\i \v cek, Lud\v ek},
title = {A C1 function which is nowhere strongly paraconvex and nowhere semiconcave},
journal = {Control and Cybernetics},
volume = {36},
year = {2007},
pages = {803-810},
zbl = {1173.26309},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-ccv36i3p803bwm}
}
Zajíček, Luděk. A C1 function which is nowhere strongly paraconvex and nowhere semiconcave. Control and Cybernetics, Tome 36 (2007) pp. 803-810. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-ccv36i3p803bwm/