Karim Chaira, Abderrahim Eladraoui, Mustapha Kabil. An extension of Fisher fixed point theorem in partially ordered generalized metric spaces. Malaya J. Mat. [Internet]. 2017 Oct. 1 [cited 2024 Nov. 24];5(04):647-52. Available from: https://www.malayajournal.org/index.php/mjm/article/view/630