Saltanova, G., and Aisina Т. “Mathematical Model of Non-Isothermal Flow of Oil through the Trunk Pipeline”. Bulletin of the Karaganda University. Mathematics Series 88, no. 4 (December 29, 2017): 56–62. Accessed July 10, 2025. https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/180.