TY - JOUR AU - V. M. Tyurin TI - On the Fredholm Property of Linear Elliptic Operators in $R^n$ JO - Differencialʹnye uravneniâ PY - 2004 SP - 251 EP - 256 VL - 40 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2004_40_2_a11/ LA - ru ID - DE_2004_40_2_a11 ER -