@book{5892,
	author = {MacMahon, Percy Alexander,},
	title = {An introduction to Combinatory analysis,},
	publisher = {The University press,},
	year = {1920.},
	address = {Cambridge [Eng.]},
	note = {"This little book is intended to be an introduction to the two volumes of Combinatory analysis, which were published ... in 1915-16".--Pref.}
}