@article{UM_2010_18_4_a7,
     author = {Calda, Emil},
     title = {Byl {Eukleides} finan\v{c}n\v{e} gramotn\'y?},
     journal = {U\v{c}itel matematiky},
     pages = {252--254},
     year = {2010},
     volume = {18},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2010_18_4_a7/}
}