Kumam P, Mitrović ZD, Pavlović MV. Some fixed point theorems in b2-metric spaces. Vojnoteh. glas. [Internet]. 2019 Apr. 8 [cited 2026 Sep. 20];67(3):507-24. Available from: https://test.aseestant.ceon.rs/index.php/vtg/article/view/21221