@article{MTA_2019_4_2_a2,
     author = {Francesca Faraci,Csaba Farkas},
     title = {On an {Open} {Question} of {Ricceri} {Concerning} a {Kirchhoff-Type} {Problem}},
     journal = {Minimax theory and its applications},
     year = {2019},
     volume = {4},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/MTA_2019_4_2_a2/}
}