Abdurazakov Abdujabbor, Mahmudova Nasiba, and Mirzamahmudova Nilufar. 2022. “Semi-Discretization Method for Solving Boundary Value Problems for Parabolic Systems”. Texas Journal of Multidisciplinary Studies 13 (October). USA:77-80. https://zienjournals.com/index.php/tjm/article/view/2477.