LISICA, Ju. T. SKAND THEORY AND ITS APPLICATIONS. (A NEW LOOK AT NON-WELL-FOUNDED SETS). Matematichki Bilten, [S. l.], v. 37, n. 2, p. 5–82, 2013. DOI: 10.37560/matbil1320005l. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1780. Acesso em: 4 jul. 2026.