@book{8257,
	author = {Kuczma, Marek.},
	title = {Functional equations in a single variable.},
	publisher = {[PWN-Polish Scientific Publishers]},
	year = {1968.},
	series = {Polska Akademia Nauk. Monografie matematyczne, t. 46},
	address = {Warszawa},
	note = {On spine: Functional equations.}
}