TY - JOUR AU - P. A. Mishnaevskii TI - On the spectral theory for the Sturm--Liouville equation with operator coefficient JO - Izvestiya. Mathematics PY - 1976 SP - 145 EP - 180 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1976_10_1_a8/ LA - en ID - IM2_1976_10_1_a8 ER -