@article{MTA_2016_1_1_a5,
     author = {Giuseppina Barletta and Giuseppina D{\textquoteright}Agu`,Nikolaos S. Papageorgiou},
     title = {On {Resonant} {(p,2)-Equations}},
     journal = {Minimax theory and its applications},
     year = {2016},
     volume = {1},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/MTA_2016_1_1_a5/}
}