TY - JOUR AU - S. I. Serdyukova TI - On stability of the first boundary value problem involving points of the spectrum on the unit circle JO - Doklady Akademii Nauk PY - 1971 SP - 39 EP - 42 VL - 200 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_200_1_a8/ LA - ru ID - DAN_1971_200_1_a8 ER -