%0 Journal Article %A J. Laiterer %T Criteria for normal solvability of systems of singular integral equations and Wiener--Hopf equations %J Doklady Akademii Nauk %D 1970 %P 988-991 %V 193 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1970_193_5_a6/ %G ru %F DAN_1970_193_5_a6