TY - JOUR AU - V. B. Lidskii TI - Summability of series in terms of the principal vectors of non-selfadjoint operators JO - Trudy Moskovskogo matematičeskogo obŝestva PY - 1962 SP - 3 EP - 35 VL - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MMO_1962_11_a0/ LA - ru ID - MMO_1962_11_a0 ER -