@article{UM_2013_21_1_a3,
     author = {Calda, Emil},
     title = {M\r{u}j zdrav\'y rozum a nekone\v{c}no},
     journal = {U\v{c}itel matematiky},
     pages = {37--42},
     year = {2013},
     volume = {21},
     number = {1},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2013_21_1_a3/}
}