@article{UM_2011_19_2_a4,
     author = {Leischner, Pavel},
     title = {Silvestrovsk\'e rozj{\'\i}m\'an{\'\i} o ekvivalenci geometrick\'ych v\v{e}t},
     journal = {U\v{c}itel matematiky},
     pages = {89--94},
     year = {2011},
     volume = {19},
     number = {2},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/UM_2011_19_2_a4/}
}