TY - JOUR AU - E. F. Lelikova TI - The asymptotic expansion of the solution of a second order elliptic equation with a small parameter multiplying the highest derivatives JO - Differencialʹnye uravneniâ PY - 1976 SP - 1852 EP - 1865 VL - 12 IS - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1976_12_10_a12/ LA - ru ID - DE_1976_12_10_a12 ER -