@article{CMUC_1984_25_3_a0,
     author = {Dr\'abek, Pavel},
     title = {Remarks on nonlinear noncoercive problems with jumping nonlinearities},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {373--399},
     year = {1984},
     volume = {25},
     number = {3},
     mrnumber = {775559},
     zbl = {0557.47032},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1984_25_3_a0/}
}