@book{50709,
	author = {Silva Silva, Augusto, and Gutiérrez Hoyos, Hernando,},
	title = {Cálculo en varias variables :},
	publisher = {Editorial Universidad Surcolombiana,},
	year = {2025},
	series = {Didáctico},
	address = {Neiva :},
	edition = {Primera edición}
}