%0 Journal Article %A I. Ts. Gokhberg %A N. Ya. Krupnik %T The symbols of one-dimensional singular integral operators on an open contour %J Doklady Akademii Nauk %D 1970 %P 12-15 %V 191 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_191_1_a1/ %G ru %F DAN_1970_191_1_a1