TY - JOUR AU - V. A. Volokhin TI - Approximation of functions represented by integrals with a~singularity on a~sphere JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1981 SP - 73 EP - 76 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1981_4_a11/ LA - ru ID - IVM_1981_4_a11 ER -