@article{PMFA_1989__34_3_a5,
     author = {Calda, Emil},
     title = {K vyu\v{c}ov\'an{\'\i} matematice na st\v{r}edn{\'\i} \v{s}kole},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {178--180},
     publisher = {mathdoc},
     volume = {34},
     number = {3},
     year = {1989},
     language = {cz},
     url = {https://geodesic-test.mathdoc.fr/item/PMFA_1989__34_3_a5/}
}