Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{MR_1981__22_a9, author = {Demetrios G. Kaffes}, title = {An {Inequality} for {Matrices}}, journal = {M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta} E\ensuremath{\pi}\ensuremath{\iota}\ensuremath{\theta}\ensuremath{\varepsilon}\ensuremath{\acute\omega}\ensuremath{\rho}\ensuremath{\eta}\ensuremath{\sigma}\ensuremath{\eta} }, pages = {143-159}, publisher = {mathdoc}, volume = {22}, year = {1981}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/MR_1981__22_a9/} }
Demetrios G. Kaffes. An Inequality for Matrices. Μαθηματική Επιθεώρηση , Tome 22 (1981), p. 143-159. http://geodesic.mathdoc.fr/item/MR_1981__22_a9/