TRENČEVSKI, Kostadin. ON VECTOR SUBBUNDLES OF THE VECTOR BUNDLES. Matematichki Bilten, [S. l.], v. 17, n. 1, p. 53–62, 1993. Disponível em: https://bilten.smm.org.mk/index.php/bilten/article/view/1531. Acesso em: 14 aug. 2026.