Cooper, H. H. A.1968-12-01http://revistas.pucp.edu.pe/index.php/derechopucp/article/view/12842/13416No contiene resumenapplication/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#5.05.00https://doi.org/10.18800/derechopucp.196801.005