Bukenov М.М., and D.K. Koikelova. “Modeling of a Static Incompressible Medium”. Bulletin of the Karaganda University. Mathematics Series 96, no. 4 (December 30, 2019): 39–43. Accessed December 8, 2025. https://mts.buketov.edu.kz/mathematics-vestnik/article/view/302.