@book{14515,
	author = {ORTIZ Y OJEDA, PEDRO T. and ORTIZ SANCHEZ, PEDRO A. G., COAUT.},
	title = {METODOS DE INTEGRACION/ },
	publisher = {LOS AUTORES},
	year = {2017},
	address = {TUXTLA GUTIERREZ, CHIAPAS, MEXICO: },
	edition = {1}
}