@article{PMFA_1989_34_3_a4,
     author = {Ne\v{c}\'askov\'a, Milena},
     title = {K topologick\'e \'uloze z \v{c}{\'\i}sla 2/88},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {175--178},
     year = {1989},
     volume = {34},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1989_34_3_a4/}
}