@article{00823386,
title = {Existence of zeros via disconnectedness.},
journal = {Journal of Convex Analysis},
volume = {2},
year = {1995},
pages = {287-290},
zbl = {0838.47045},
language = {en},
url = {http://dml.mathdoc.fr/item/00823386}
}
Ricceri, Biagio. Existence of zeros via disconnectedness.. Journal of Convex Analysis, Tome 2 (1995) pp. 287-290. http://gdmltest.u-ga.fr/item/00823386/