SHEKUTKOVSKI, Nikita. A CONTRIBUTION TO THE THEOREM ON LEVEL HOMOTOPY EQUIVALENCES. Matematichki Bilten, [S. l.], v. 24, n. 1, p. 111–120, 2000. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1650. Acesso em: 14 aug. 2026.