TY - JOUR AU - Frank Plastria TI - The Effects of Majority in Fermat-Weber Problems With Attraction and Repulsion in a Pseudometric Space JO - Yugoslav journal of operations research PY - 1991 SP - 141 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/YJOR_1991_1_2_a2/ LA - en ID - YJOR_1991_1_2_a2 ER -