TY  - JOUR
AU  - A. J. B. Lopes-Pinto
TI  - On a New Result on the Existence of Zeros Due to Ricceri
JO  - Journal of convex analysis
PY  - 1998
SP  - 057
EP  - 062
VL  - 5
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_1998_5_1_a4/
ID  - JCA_1998_5_1_a4
ER  -