TY - JOUR AU - A. G. Kostyuchenko TI - The asymptotic distribution of eigenvalues of elliptic operators JO - Doklady Akademii Nauk PY - 1964 SP - 41 EP - 44 VL - 158 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_158_1_a8/ LA - ru ID - DAN_1964_158_1_a8 ER -