%0 Journal Article
%A A. N. Karapetyants
%A V. A. Nogin
%T $L_p\to L_q$-estimates for a twisted convolution operator with a kernel that has singularities on a sphere and at the origin
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 2006
%P 72-75
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_2006_2_a8/
%G ru
%F IVM_2006_2_a8