TY - JOUR AU - Guy, Douglas L. TI - Common extensions of finitely additive probability measures JO - Portugaliae mathematica PY - 1961 SP - 1 EP - 5 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1961__20_1_114845/ LA - en ID - PORMA_1961__20_1_114845 ER -