TY - JOUR AU - S. Z. Levendorskii TI - Asymptotics of the spectra of degenerate elliptic systems in unbounded regions JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1985 SP - 80 EP - 81 VL - 19 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1985_19_2_a12/ LA - ru ID - FAA_1985_19_2_a12 ER -