@ARTICLE {, title = {Matematické nástroje - Aritmetický a geometrický priemer}, author = {Vrábel, Peter}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2009}, volume = {38}, number = {3}, pages = {25--31}, issn = {1335-4981}, abstract = {The relation of arithmetic and geometric mean is used often in mathematics. The use of this mathematical tool is illustrated on solutions of various tasks in the paper.}, }