[1]
M. Orovčanec, “ON OPERATOR VALUED WEIGHTED SHIFTS COMMUTING WITH \(U_{+}\)”, Mat. Bilt., vol. 18, no. 1, pp. 49–56, Jan. 1994, Accessed: Aug. 14, 2026. [Online]. Available: https://bilten.smm.org.mk/index.php/bilten/article/view/1544