@article{UM_2023__31_2_a3,
     author = {Bu\v{s}kov\'a, Petra and Durnov\'a, Helena},
     title = {\v{C}eskoslovensk\'a matematick\'a olympi\'ada v 50. letech 20. stolet{\'\i}},
     journal = {U\v{c}itel matematiky},
     pages = {135--147},
     publisher = {mathdoc},
     volume = {31},
     number = {2},
     year = {2023},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/UM_2023__31_2_a3/}
}