%0 Journal Article %A S. M. Grudskii %A A. B. Khevelev %T On invertibility in $L_2(R)$ of singular integral operators with periodic coefficients and a shift %J Doklady Akademii Nauk %D 1983 %P 1303-1306 %V 269 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1983_269_6_a4/ %G ru %F DAN_1983_269_6_a4