TY - JOUR AU - Ya. L. Gurieva AU - V. P. Il'in AU - A. V. Petukhov TI - Multigrid methods for solving two-dimensional boundary-value problems JO - Zapiski Nauchnykh Seminarov POMI PY - 2019 SP - 13 EP - 27 VL - 482 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZNSL_2019_482_a1/ LA - ru ID - ZNSL_2019_482_a1 ER -