1. Contractive projections on an L1-space;Douglas;Pacific J. Math.,1965
2. Topologische lineare Räume, I;Köthe,1966
3. The principle of convergence of sequences of linear positive operators;Krasnosel'skiĭ;Studia Math.,1968
4. Korovkin sets;Lorentz,1972
5. Ordered Topological Vector Spaces;Peressini,1967