TY - JOUR AU - S. Z. Levendorskii TI - Asymptotic behavior of the spectrum of problems with constraints JO - Doklady Akademii Nauk PY - 1984 SP - 282 EP - 285 VL - 276 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1984_276_2_a5/ LA - ru ID - DAN_1984_276_2_a5 ER -