TY - JOUR AU - V. A. Gurvich TI - Algebraic properties of influence functions JO - Doklady Akademii Nauk PY - 1992 SP - 19 EP - 24 VL - 323 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1992_323_1_a2/ LA - ru ID - DAN_1992_323_1_a2 ER -