TY - JOUR AU - I. V. Boykov AU - N. Yu. Kudryashova TI - Approximate methods for singular integral equations in exceptional cases JO - Differencialʹnye uravneniâ PY - 2000 SP - 1230 EP - 1237 VL - 36 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2000_36_9_a7/ LA - ru ID - DE_2000_36_9_a7 ER -