@ARTICLE {,
title = {Plk. Prof. RNDr. Ján Chrapan, DrSc. šesťdesiatročný},
author = {Hlaváč, Albert},
journal = {Obzory matematiky, fyziky a informatiky},
year = {1996},
volume = {25},
number = {44},
pages = {69--71},
issn = {1335-4981},
note = {Jubileum},
}