%0 Journal Article %A S. R. Treil' %T Invertibility of a Toeplitz operator does not imply its %J Doklady Akademii Nauk %D 1987 %P 563-567 %V 292 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1987_292_3_a11/ %G ru %F DAN_1987_292_3_a11