V. Kiran, K. Rajani Devi, J. Niranjan Goud. Common fixed point theorems for three self maps of a complete S-metric space. Malaya J. Mat. [Internet]. 2020 Apr. 1 [cited 2024 Dec. 4];8(02):363-8. Available from: https://www.malayajournal.org/index.php/mjm/article/view/1409