@article{PMFA_2008_53_3_a6,
     author = {P\v{r}evr\'atil, Leo\v{s}},
     title = {O gravitaci, kter\'a nen{\'\i} fyzik\'aln{\'\i} silou},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {246--252},
     year = {2008},
     volume = {53},
     number = {3},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2008_53_3_a6/}
}