TY - JOUR AU - E. V. Zakharov AU - S. I. Safronov AU - R. P. Tarasov TI - Finite groups in the numerical analysis of boundary integral equations JO - Differencialʹnye uravneniâ PY - 1993 SP - 1620 EP - 1631 VL - 29 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1993_29_9_a15/ LA - ru ID - DE_1993_29_9_a15 ER -