@article{PMFA_1973_18_2_a1,
     author = {Pek\'arek, Lud\v{e}k},
     title = {Modern{\'\i} fyzika a integra\v{c}n{\'\i} tendnce v p\v{r}{\'\i}rodn{\'\i}ch v\v{e}d\'ach},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {76--89},
     year = {1973},
     volume = {18},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1973_18_2_a1/}
}