V. Govindhan, S. Murthy, G. Gokila. Fixed points and stability of lcosic functional equation in quasi- $\beta$-normed spaces. Malaya J. Mat. [Internet]. 2018 Jan. 1 [cited 2024 Jul. 16];6(01):261-75. Available from: https://www.malayajournal.org/index.php/mjm/article/view/804