TY - JOUR AU - E. P. Bogomolova TI - Some questions of the spectral analysis of a nonselfadjoint differential operator with a ``floating'' singularity in the coefficient JO - Differencialʹnye uravneniâ PY - 1985 SP - 1843 EP - 1849 VL - 21 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1985_21_11_a0/ LA - ru ID - DE_1985_21_11_a0 ER -