TY - JOUR AU - D. A. Tursunov AU - M. O. Orozov TI - Asymptotic solution of the Dirichlet problem for a ring, when the corresponding unperturbed equation has a regular special circle JO - Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika PY - 2020 SP - 37 EP - 46 IS - 63 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VTGU_2020_63_a3/ LA - ru ID - VTGU_2020_63_a3 ER -