%0 Journal Article %A R. E. Avedan'o %A N. Ya. Krupnik %T Local principle of computation of the factor-norms of singular integral operators %J Funkcionalʹnyj analiz i ego priloženiâ %D 1988 %P 57-58 %V 22 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1988_22_2_a5/ %G ru %F FAA_1988_22_2_a5