Lisica JT. SKAND THEORY AND ITS APPLICATIONS. (A NEW LOOK AT NON-WELL-FOUNDED SETS). Mat. Bilt. [Internet]. 2013 Jul. 1 [cited 2026 Jul. 4];37(2):5-82. Available from: https://bilten.smm.org.mk/index.php/bilten/article/view/1780