@article{10_21136_CPM_1988_118340,
     author = {\v{S}va\v{n}a, Peter},
     title = {Oscillation criteria for forced nonlinear elliptic equations of arbitrary order},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {169--178},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1988},
     doi = {10.21136/CPM.1988.118340},
     mrnumber = {949042},
     zbl = {0696.35043},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1988.118340/}
}