@book{1658,
	author = {Gallian, Joseph A.},
	title = {Contemporary abstrat algebra},
	address = {United States of America: CENGAGE, 2017},
	edition = {Ninth edition},
	url = {https://itmsp.museknowledge.com/UOH?qurl=https://libros-uoh.uoh.cl/ESCUELADEEDUCACION/PEDAGOGIAMATEMATICA/Algebra/}
}