@InCollection{Grytczuk:1991,
author
=
"K.Grytczuk and A.Grytczuk",
title
=
"Functional recureences",
pages
=
"115--121",
year
=
"1991",
booktitle
=
"Application of Fabonacci NumbersProceedings of the Fourth International Conference on Fibonacci Numbers and Their Wake Forest University ISBN: 0792313097",
publisher
=
"Kluwer Academic Publishers",
address
=
"Dordrecht",
volume
=
"Vol. 4",
}