@article{CMUC_1976_17_4_a9,
     author = {Fu\v{c}{\'\i}k, Svatopluk},
     title = {Remarks on some nonlinear boundary value problems},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {721--730},
     year = {1976},
     volume = {17},
     number = {4},
     mrnumber = {0427724},
     zbl = {0353.34023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1976_17_4_a9/}
}