TY - JOUR AU - A. Pedas TI - Piecewise-polynomial approximation of the solution of weakly singular integral equations with discontinuous coefficients JO - Differencialʹnye uravneniâ PY - 1999 SP - 1253 EP - 1261 VL - 35 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1999_35_9_a11/ LA - ru ID - DE_1999_35_9_a11 ER -