Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{EUG_1989__22_a9, author = {Demetrios G. Kaffes}, title = {An {Inequality} for {Matrices}}, journal = {E\ensuremath{\upsilon}\ensuremath{\kappa}\ensuremath{\lambda}\ensuremath{\varepsilon}\ensuremath{\acute\iota}\ensuremath{\delta}\ensuremath{\eta}\ensuremath{\varsigma} \ensuremath{\Gamma} }, pages = {143-159}, publisher = {mathdoc}, volume = {22}, year = {1989}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/EUG_1989__22_a9/} }
Demetrios G. Kaffes. An Inequality for Matrices. Ευκλείδης Γ , Tome 22 (1989), p. 143-159. http://geodesic.mathdoc.fr/item/EUG_1989__22_a9/