@article{PMFA_2004_49_2_a0,
     author = {\v{S}toll, Ivan},
     title = {Dopplerovsk\'y rok},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {89--94},
     year = {2004},
     volume = {49},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2004_49_2_a0/}
}