@ARTICLE {, title = {Matematick nástroje - Dirichletov princíp}, author = {Vrábel, Peter}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2011}, volume = {40}, number = {4}, pages = {29--33}, issn = {1335-4981}, abstract = {The use of mathematical tool Dirichlet principle is illustrated on solutions of various tasks in the paper.}, } |