1. Positive Operators;Aliprantis,1985
2. Extensions of Positive Operators and Extreme Points;Lipecki,1979
3. Extensions of Vector Lattice Homomorphisms;Lipecki,1980
4. Extensions of Liftings of Positive Linear Mapping on Banach Lattices;Lotz;Trans. Amer. Math. Soc.,1975
5. An Extension Theorem for Riesz Homomorphisms;Luxemburg;Indag. Math.,1979