Kuczma, M., Choczewski, B., & Ger, R. (1990). Iterative functional equations. Cambridge University Press.
Dyfyniad Arddull ChicagoKuczma, Marek, Bogdan Choczewski, and Roman Ger. Iterative Functional Equations. Cambridge [England] ; New York: Cambridge University Press, 1990.
Dyfyniad MLAKuczma, Marek, et al. Iterative Functional Equations. Cambridge University Press, 1990.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.