@book{100320,
	author = {Levich, V. G. and Ortiz Fornaguera, Ramón,},
	title = {Curso de física teórica.},
	publisher = {Editorial Reverté,},
	year = {2022.},
	address = {Barcelona :},
	url = {https://login.zproxy.cun.edu.co/login?url=https://www.digitaliapublishing.com/a/129385/}
}