%0 Journal Article %A V. S. Pilidi %T A~priori estimates for a~certain class of one-dimensional singular integral operators with discontinuous coefficients %J Matematičeskie zametki %D 1979 %P 227-234 %V 26 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1979_26_2_a6/ %G ru %F MZM_1979_26_2_a6