N. I. M. Orovčanec, “ON SIMILARITY AND QUASISIMILARITY OF UNILATERAL OPERATOR VALUED WEIGHTED SHIFTS”, Mat. Bilt., vol. 13, no. 1, Jan. 1989, Accessed: Jun. 13, 2026. [Online]. Available: https://bilten.smm.org.mk/index.php/bilten/article/view/1453