Voir la notice de l'article provenant de la source Hellenic Digital Mathematics Library
@article{DEME_1999__42_a5, author = {J. Maroulas and P. Psarrakos}, title = {The numerical {Range} of {Matrix} {Polynomials}}, journal = {\ensuremath{\Delta}\ensuremath{\varepsilon}\ensuremath{\lambda}\ensuremath{\tau}\ensuremath{\acute\iota}o \ensuremath{\tau}\ensuremath{\eta}\ensuremath{\varsigma} E\ensuremath{\lambda}\ensuremath{\lambda}\ensuremath{\eta}\ensuremath{\nu}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} M\ensuremath{\alpha}\ensuremath{\theta}\ensuremath{\eta}\ensuremath{\mu}\ensuremath{\alpha}\ensuremath{\tau}\ensuremath{\iota}\ensuremath{\kappa}\ensuremath{\acute\eta}\ensuremath{\varsigma} E\ensuremath{\tau}\ensuremath{\alpha}\ensuremath{\iota}\ensuremath{\rho}\ensuremath{\acute\iota}\ensuremath{\alpha}\ensuremath{\varsigma} }, pages = {59-83}, publisher = {mathdoc}, volume = {42}, year = {1999}, language = {gr}, url = {http://geodesic.mathdoc.fr/item/DEME_1999__42_a5/} }
J. Maroulas; P. Psarrakos. The numerical Range of Matrix Polynomials. Δελτίο της Ελληνικής Μαθηματικής Εταιρίας , Tome 42 (1999), p. 59-83. http://geodesic.mathdoc.fr/item/DEME_1999__42_a5/