%0 Journal Article
%A V. S. Pilidi
%T Necessary conditions for characteristic bisingular integral operators with measurable coefficients to be fredholm
%J Matematičeskie zametki
%D 1982
%P 53-59
%V 31
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1982_31_1_a5/
%G ru
%F MZM_1982_31_1_a5