@article{1102995269, author = {Carlson, David H.}, title = {On real eigenvalues of complex matrices.}, journal = {Pacific J. Math.}, volume = {15}, number = {4}, year = {1965}, pages = { 1119-1129}, language = {en}, url = {http://dml.mathdoc.fr/item/1102995269} }
Carlson, David H. On real eigenvalues of complex matrices.. Pacific J. Math., Tome 15 (1965) no. 4, pp. 1119-1129. http://gdmltest.u-ga.fr/item/1102995269/