TY - JOUR AU - D. A. Tursunov AU - M. O. Orozov TI - Asymptotic solution of the perturbed first boundary value problem with a non-smooth coefficient JO - Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ, Matematika, mehanika, fizika PY - 2020 SP - 41 EP - 47 VL - 12 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VYURM_2020_12_3_a5/ LA - en ID - VYURM_2020_12_3_a5 ER -