@article{01214042,
title = {On a new result on the existence of zeros due to Ricceri.},
journal = {Journal of Convex Analysis},
volume = {5},
year = {1998},
pages = {57-62},
zbl = {0919.47050},
language = {en},
url = {http://dml.mathdoc.fr/item/01214042}
}
Lopes-Pinto, António J.B. On a new result on the existence of zeros due to Ricceri.. Journal of Convex Analysis, Tome 5 (1998) pp. 57-62. http://gdmltest.u-ga.fr/item/01214042/