@article{10_21136_CPM_1983_118156,
     author = {Krej\v{c}{\'\i}, Pavel},
     title = {On solvability of equations of the $4$th order with jumping nonlinearities},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {29--39},
     publisher = {mathdoc},
     volume = {108},
     number = {1},
     year = {1983},
     doi = {10.21136/CPM.1983.118156},
     mrnumber = {694138},
     zbl = {0515.35013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1983.118156/}
}