@article{AUPO_1995__34_1_a0,
     author = {Dragomir, Sever Silvestru and Mond, Bertram and Pe\v{c}ari\'c, Josip E.},
     title = {On {Jensen's} inequality for self-adjoint operators in {Hilbert} space},
     journal = {Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica},
     pages = {7--13},
     publisher = {mathdoc},
     volume = {34},
     number = {1},
     year = {1995},
     mrnumber = {1447249},
     zbl = {0857.47010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AUPO_1995__34_1_a0/}
}