Muratov, A. S., A. T. Kalbayeva, S. D. Kurakbayeva, and A. T. Kalbayeva. “Using the Boundary Elements Approach to Solve the Problems of Liquid Filtration via the Dam”. Journal of Mathematics, Mechanics and Computer Science, vol. 108, no. 4, Dec. 2020, pp. 99-107, doi:10.26577/JMMCS.2020.v108.i4.08.