@article{PMFA_2003_48_3_a5,
     author = {Pudiv{\'\i}tr, Petr},
     title = {V\'yuka astronomie na st\v{r}edn{\'\i}ch \v{s}kol\'ach {v~USA}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {251--255},
     year = {2003},
     volume = {48},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2003_48_3_a5/}
}