„SOME FIXED POINT RESULTS FOR α-ψ- CONTRACTION SET - VALUED MAPPINGS IN CONE METRIC SPACES“, bjami, Bd. 1, Nr. 1, S. 39–48, Aug. 2018, Zugegriffen: 24. April 2026. [Online]. Verfügbar unter: https://js.ugd.edu.mk/index.php/bjami/article/view/2010