@book{71172,
	author = {Roa Bastos, Augusto, 1917-2005},
	title = {Variaciones sobre un tema de Julio Cortázar},
	year = {jul./oct. 1984},
	address = {La Habana},
	url = {https://elpais.com/diario/1984/05/13/opinion/453247215_850215.html}
}