%0 Journal Article %A V. M. Tyurin %T On the Fredholm Property of Linear Elliptic Operators in $R^n$ %J Differencialʹnye uravneniâ %D 2004 %P 251-256 %V 40 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2004_40_2_a11/ %G ru %F DE_2004_40_2_a11