TY - JOUR AU - M. A. Evgrafov TI - On estimates of the fundamental solution of an elliptic equation with a~small parameter JO - Sbornik. Mathematics PY - 1983 SP - 1 EP - 22 VL - 44 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1983_44_1_a0/ LA - en ID - SM_1983_44_1_a0 ER -