Baigereyev, D., Temirbekov, N., & Omariyeva, D. (2020). Construction of an iterative method for solving a nonlinear elliptic equation based on a mixed finite element method. Journal of Mathematics, Mechanics and Computer Science, 106(2), 104–120. https://doi.org/10.26577/JMMCS.2020.v106.i2.09