%0 Journal Article %A V. P. Kadushin %T On the optimality of methods for the solution of singular integral equations with complex conjugate unknowns %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1977 %P 115-118 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1977_9_a14/ %G ru %F IVM_1977_9_a14