URS, C. (2016) “Fixed point theorems for a system of operator equations with applications”, Studia Universitatis Babeș-Bolyai Mathematica, 61(1), pp. 87–94. Available at: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5520 (Accessed: 19 April 2025).