@article{AUPO_1991__30_1_a4,
     author = {Rach\r{u}nkov\'a, Irena},
     title = {An existence theorem of the {Leray-Schauder} type for four-point boundary value problems},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {49--59},
     publisher = {mathdoc},
     volume = {30},
     number = {1},
     year = {1991},
     mrnumber = {1166425},
     zbl = {0752.34016},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1991__30_1_a4/}
}