Berisha, M.Q. and Berisha, F.M. (2001) “A NOTE ON THE INVERSE THEOREM FOR A GENERALISED MODULUS OF SMOOTHNESS”, Matematichki Bilten, 25(1), pp. 91–96. Available at: https://bilten.smm.org.mk/index.php/bilten/article/view/1966 (Accessed: 14 August 2026).