%0 Journal Article %A Giovanni Anello %T Existence results and strong maximum principle for a resonant sublinear elliptic problem %J Minimax theory and its applications %D 2019 %V 4 %N 2 %U http://geodesic.mathdoc.fr/item/MTA_2019_4_2_a0/ %F MTA_2019_4_2_a0