@article{PMFA_1974_19_3_a2,
     author = {\v{C}i\v{z}m\'ar, J\'an},
     title = {O p\"atn\'astom {Hilbertovom} probl\'eme},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {141--145},
     year = {1974},
     volume = {19},
     number = {3},
     zbl = {0304.14030},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1974_19_3_a2/}
}