@book{113787,
	author = {Takeuchi,Yu,},
	title = {Problemas de sucesiones recurrentes /},
	publisher = {Universidad Nacional de Colombia. Facultad de Ciencias,},
	year = {2007.},
	address = {Bogotá :},
	url = {https://elibro.net/ereader/politecnicointernacional/128945}
}