@article{AUPO_1988__27_1_a13,
     author = {Rach\r{u}nkov\'a, Irena},
     title = {On a nonlinear problem for third-order differential equations},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {225--249},
     publisher = {mathdoc},
     volume = {27},
     number = {1},
     year = {1988},
     mrnumber = {1039892},
     zbl = {0702.34002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1988__27_1_a13/}
}