TY - JOUR AU - A. V. Gil AU - V. A. Nogin TI - Estimates for some convolution operators with singularities in their kernels on a~sphere and their applications JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2014 SP - 3 EP - 16 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_2014_1_a0/ LA - ru ID - IVM_2014_1_a0 ER -