Ivanov, I2024-05-082024-06-302024-05-082024-06-301978https://hdl.handle.net/11285/6687684 fojasspaopenAccesshttp://creativecommons.org/licenses/by-nc-nd/4.0Cajón 6603TextoTIFF, PDFCartaConferenciaSoviéticoProgramaColoquioCampus NorteC6603-22721 x 30 cm