@ARTICLE {, title = {Jasná 1998 - alebo: zavedená značka má 30 rokov}, author = {Gavalcová, Tatiana}, journal = {Obzory matematiky, fyziky a informatiky}, year = {1999}, volume = {28}, number = {56}, pages = {53--58}, issn = {1335-4981}, note = {Informácia}, }