“The Existence of Solutions for Some New Boundary Value Problems Involving the Q-Derivative Operator in Quasi-B-Metric and B-Metric-Like Spaces”. Letters in Nonlinear Analysis and its Applications 2, no. 1 (February 22, 2024): 16–22. Accessed May 24, 2026. https://lettersinnonlinearanalysis.com/index.php/lnaa/article/view/v2n1a03.