%0 Journal Article %A E. E. Vitrichenko %A G. V. Drekova %T Some projection methods for solving singular integro-differential equations in the exceptional case %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1990 %P 61-65 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1990_10_a9/ %G ru %F IVM_1990_10_a9