@article{Korbicz:2009,
author
=
"J.Korbicz",
title
=
"Professor Ryszard Tadeusiewicz a double jubilee",
journal
=
"International Journal of Applied Mathematics and Computer Science",
volume
=
"Vol. 17",
number
=
"no 2",
pages
=
"289--290",
year
=
"2007",
}