Karimov, K.T. and Murodova, M.R. 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.