TY - JOUR AU - L. N. Lyakhov TI - On a symbol of an integral operator of $B$-potential type with a JO - Doklady Akademii Nauk PY - 1996 SP - 164 EP - 168 VL - 351 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1996_351_2_a4/ LA - ru ID - DAN_1996_351_2_a4 ER -