1. Triangular inequalities in operator algebras;Akemann;Linear and Multilinear Algebra,1982
2. Stochasticity and Partial Order;Alberti,1982
3. Compact Convex Sets and Boundary Integrals;Alfsen,1971
4. Extreme Properties of Linear Transformations and Geometry in Unitary Spaces;Amir-Moéz,1968
5. Series and parallel addition of matrices;Anderson;J. Math. Anal. Appl.,1969