TY - JOUR AU - A. I. Karol' AU - M. Z. Solomyak TI - Class of differential operators with abnormal behavior of the spectrum of the Dirichlet problem JO - Matematičeskie zametki PY - 1982 SP - 747 EP - 751 VL - 31 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1982_31_5_a7/ LA - ru ID - MZM_1982_31_5_a7 ER -