TY - JOUR AU - V. A. Medvedev TI - On convergence of the projection method in eigenvalue problems JO - Doklady Akademii Nauk PY - 1964 SP - 258 EP - 260 VL - 156 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_156_2_a5/ LA - ru ID - DAN_1964_156_2_a5 ER -