%0 Journal Article %A E. V. Zakharov %A S. I. Safronov %A R. P. Tarasov %T Finite groups in the numerical analysis of boundary integral equations %J Differencialʹnye uravneniâ %D 1993 %P 1620-1631 %V 29 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_9_a15/ %G ru %F DE_1993_29_9_a15