%0 Journal Article %A B. A. Kats %T An integral of Cauchy type and the Riemann problem on a~countable set of closed curves %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1985 %P 20-29 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1985_3_a2/ %G ru %F IVM_1985_3_a2