TY - JOUR AU - V. A. Gurvich TI - Some properties of influence functions JO - Doklady Akademii Nauk PY - 1989 SP - 1311 EP - 1317 VL - 307 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1989_307_6_a6/ LA - ru ID - DAN_1989_307_6_a6 ER -