%0 Journal Article %A V. A. Volokhin %T Approximation of functions represented by integrals with a~singularity on a~sphere %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1981 %P 73-76 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1981_4_a11/ %G ru %F IVM_1981_4_a11