@article{AUPO_1992__31_1_a6,
     author = {\v{S}enky\v{r}{\'\i}k, Martin},
     title = {Method of lower and upper solutions for a third-order three-point regular boundary value problem},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {60--70},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1992},
     mrnumber = {1212606},
     zbl = {0769.34021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1992__31_1_a6/}
}