TY - JOUR AU - Ricceri, Biagio TI - Uniqueness properties of functionals with Lipschitzian derivative. JO - Portugaliae mathematica PY - 2006 SP - 393 EP - 400 VL - 63 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_2006__63_4_53795/ LA - en ID - PORMA_2006__63_4_53795 ER -