%0 Journal Article %A Yu. I. Cherskii %T Integral equations reducing to two Riemann problems %J Doklady Akademii Nauk %D 1979 %P 802-805 %V 248 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_248_4_a7/ %G ru %F DAN_1979_248_4_a7