@article{PMFA_1989_34_2_a3,
     author = {Chrapan, J\'an and Jakab\v{c}in, Vladim{\'\i}r and Pol\'a\v{s}kov\'a, Anna},
     title = {Stav a trendy uhl{\'\i}kovej chronometrie},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {97--105},
     year = {1989},
     volume = {34},
     number = {2},
     language = {sk},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1989_34_2_a3/}
}