TY - JOUR AU - G. Sh. Guseinov TI - On the spectral analysis of a quadratic pencil of Sturm--Liouville operators JO - Doklady Akademii Nauk PY - 1985 SP - 1292 EP - 1296 VL - 285 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1985_285_6_a1/ LA - ru ID - DAN_1985_285_6_a1 ER -