1. A Schwarz inequality for positive linear maps on C*-algebras;Choi;Illinois J. Math.,1974
2. A Schwarz inequality for convex operator functions;Davis;Proc. Amer. Math. Soc.,1957
3. Mond–Pečarić Method in Operator Inequalities;Furuta,2005
4. F. Hansen, J. Pečarić, I. Perić, A generalization of discrete Jensen’s operator inequality and it’s converses, in: Hungarian–Croatian Mathematical Workshop, Debrecen, 2005.
5. Jensen’s operator inequality and it’s converses;Hansen;Math. Scand.,2007