TY - JOUR AU - Topping, D. TI - Vector lattices, Boolean rings and simple functions JO - Portugaliae mathematica PY - 1964 SP - 199 EP - 204 VL - 23 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PORMA_1964__23_4_114932/ LA - en ID - PORMA_1964__23_4_114932 ER -