%0 Journal Article %A L. I. Sazonov %T On bisingular operators in the space $L_p(\mathbb R^2)$ with some invariance conditions %J Matematičeskie zametki %D 1994 %P 74-82 %V 55 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1994_55_4_a8/ %G ru %F MZM_1994_55_4_a8