@article{PMFA_2018_63_1_a4,
     author = {Halas, Zden\v{e}k},
     title = {Pozn\'amky k axiomatizaci planimetrie},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {51--67},
     year = {2018},
     volume = {63},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2018_63_1_a4/}
}