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Karimov, K. and Murodova, M. 2025. Dirichlet type boundary value problem for an elliptic equation with three singular coefficients in the first octant. Bulletin of the Karaganda University. Mathematics Series. 119, 3 (Sep. 2025), 164–175. DOI:https://doi.org/10.31489/2025m3/164-175.