@article{CMUC_1985__26_3_a2,
     author = {Donati, Flavio},
     title = {A note on the solvability of nonlinear elliptic problems with jumping nonlinearities},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {455--466},
     publisher = {mathdoc},
     volume = {26},
     number = {3},
     year = {1985},
     mrnumber = {817820},
     zbl = {0612.35054},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1985__26_3_a2/}
}