@article{PMFA_1988__33_2_a4,
     author = {Zaj{\'\i}\v{c}ek, Lud\v{e}k},
     title = {ISTAM 87 - {B\v{e}lehrad}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {99--101},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1988},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1988__33_2_a4/}
}