@ARTICLE {, title = {Množiny bodov rovnako vzdialených od dvoch útvarov}, author = {Novotný, Peter}, journal = {Obzory matematiky, fyziky a informatiky}, year = {2013}, volume = {42}, number = {1}, pages = {1--10}, issn = {1335-4981}, abstract = {In this paper we deal with the problem of tracing the set of points having the same distance from two objects. The studied objects are classical Eucliedean geometry shapes – point, line and circle. The problem can be considered as a degenerate case of the Problem of Apollonius. The paper is written as a gradual discovery, it can be used in school in a math group.}, }