Babadzhanov, Yuldash, and Iroda Babadzhanova. “UNSTEADY PROBLEM OF FLUID FLOW IN A CHANNEL OF VARIABLE CROSS-SECTION”. Innovative technologies 62, no. 2 (June 25, 2026): 49–57. Accessed September 11, 2026. https://globalsciencehub.uz/index.php/ITJ/article/view/128.