TY - JOUR AU - A. A. Abashkin AU - I. P. Egorova TI - Dirichlet problem in parallelepiped for elliptic equation with three singular coefficients JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2019 SP - 3 EP - 14 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2019_10_a0/ LA - ru ID - IVM_2019_10_a0 ER -