@book{6889,
	author = {Apostol, Tom M.},
	title = {Calculus II :},
	publisher = {Reverté,},
	year = {1984},
	address = {Barcelona :},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl//ebook_2/calculo-con-funciones-de-varias-variables-y-algebra-lineal-con-aplicaciones-para-ecuaciones-diferenciales-y-probabilidad-v2/}
}