@ARTICLE {,
title = {Matematické nástroje: Symetria},
author = {Vrábel, Peter},
journal = {Obzory matematiky, fyziky a informatiky},
year = {2011},
volume = {40},
number = {2},
pages = {9--16},
issn = {1335-4981},
abstract = {The symmetry is in mathematics often used. This contribution deals with
symmetry as mathematical method that often simplifies solving of problems. The use of
this mathematical tactics is illustrated on solutions of various tasks in the paper.},
}