KEYER, Denis. Alexandro Gavrilov septuagenario. Hyperboreus, Bern, v. 17, p. 9–10, 2011. DOI: 10.36950/hyperboreus.v17carm. Disponível em: https://bop.unibe.ch/Hyperboreus/article/view/13225. Acesso em: 29 jan. 2026.