@article{10_21136_CPMF_1940_120972,
     author = {Pe\v{r}ina, Alois},
     title = {Pozn\'amka k v\'yklad\r{u}m o pr\'aci a pracovn{\'\i} v\'ykonnosti},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {D94},
     publisher = {mathdoc},
     volume = {69},
     number = {Suppl.},
     year = {1940},
     doi = {10.21136/CPMF.1940.120972},
     language = {cz},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CPMF.1940.120972/}
}