%0 Journal Article
%A A. N. Karapetyants
%A V. A. Nogin
%T Estimates for twisted convolution operators with singularities of kernels on a sphere and at the origin
%J Differencialʹnye uravneniâ
%D 2006
%P 674-683
%V 42
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2006_42_5_a10/
%G ru
%F DE_2006_42_5_a10