@article{UM_2000_8_4_a0,
     author = {Sikorov\'a, Renata},
     title = {\v{C}{\'\i}slo $e$ a hyperbola (2)},
     journal = {U\v{c}itel matematiky},
     pages = {193--202},
     year = {2000},
     volume = {8},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2000_8_4_a0/}
}