Celakoska-Jordanova V. PLATINUM ANNIVESARY OF THE UNION OF MATHEMATICIANS OF MACEDONIA AND THE JOURNAL MATEMATICHKI BILTEN. Mat. Bilt. [Internet]. 2020 Jan. 1 [cited 2026 Jun. 13];44(1). Available from: https://bilten.smm.org.mk/index.php/bilten/article/view/1880