TY - JOUR AU - M. I. Dyachenko TI - A~criterion for spherical convergence of Fourier transforms of monotone functions of two variables JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1990 SP - 18 EP - 27 IS - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1990_11_a2/ LA - ru ID - IVM_1990_11_a2 ER -