%0 Journal Article %A Giovanni Anello %T On the multiplicity of critical points for parameterized functionals on reflexive Banach spaces %J Studia Mathematica %D 2012 %P 49-60 %V 213 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm213-1-4/ %R 10.4064/sm213-1-4 %G en %F 10_4064_sm213_1_4