@book{86621,
	author = {Kaufmann, Arnold. and Coster, D.},
	title = {Ejercicios de combinatoria con soluciones / },
	publisher = {Compañía Editorial Continental, },
	year = {1971.},
	address = {[Barcelona] : },
	edition = {[1ª ed.].},
	note = {Es el tom. 2º.}
}