Ahmad, Bashir, and Sotiris K. Ntouyas. “Boundary Value Problems for Q-Dierence Equations and Inclusions With Nonlocal and Integral Boundary Conditions”. Mathematical Modelling and Analysis 19, no. 5 (November 1, 2014): 647-663. Accessed December 22, 2024. https://jeelm.vgtu.lt/index.php/MMA/article/view/3325.