TY - JOUR AU - T. K. Katsaran TI - Application of the method of similar operators in the study of the spectral properties of differential operators of Sturm--Liouville type JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1991 SP - 72 EP - 75 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1991_6_a14/ LA - ru ID - IVM_1991_6_a14 ER -