@article{JCA_2018_25_2_JCA_2018_25_2_a5,
     author = {G. Bonanno and A. Iannizzotto and M. Marras},
     title = {Two {Positive} {Solutions} for {Superlinear} {Neumann} {Problems} with a {Complete} {Sturm-Liouville} {Operator}},
     journal = {Journal of convex analysis},
     pages = {421--434},
     year = {2018},
     volume = {25},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JCA_2018_25_2_JCA_2018_25_2_a5/}
}