@ARTICLE {,
title = {Doc. RNDr. Arpád Kecskés, CSc. šesťdesiatročný},
author = {Zelenický, Ľubomír},
journal = {Obzory matematiky, fyziky a informatiky},
year = {2000},
volume = {29},
number = {2},
pages = {62--64},
issn = {1335-4981},
note = {Jubileum},
}