TY - BOOK AU - Tanguiane,Andranick S. TI - Aggregation and representation of preferences: introduction to mathematical theory of democracy SN - 3540538453 U1 - 519.8 22 PY - 1991/// CY - Berlin PB - Springer-Verlag KW - Social Choice KW - Data processing KW - Mathematics KW - Democracy KW - Preferential ballot KW - Mathematical optimization N1 - Includes index ER -