Kalassov, N.B. and Manatbayev, R.K. (2013) “Theoretical research flow total amount of heat through the walls of particular channel”, Recent Contributions to Physics, 2013(2), pp. 89–93. Available at: https://bph.kaznu.kz/index.php/zhuzhu/article/view/89 (Accessed: 13 July 2026).