TY - JOUR AU - S. Z. Levendorskii TI - Asymptotics of the spectrum of linear operator pencils JO - Sbornik. Mathematics PY - 1985 SP - 245 EP - 266 VL - 52 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1985_52_1_a13/ LA - en ID - SM_1985_52_1_a13 ER -