%0 Journal Article %A F. N. Garif'yanov %T The problem of inverting a~singular integral, and difference equations for functions that are analytic outside a~quare %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1993 %P 7-16 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1993_7_a1/ %G ru %F IVM_1993_7_a1