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Bibliography

[1]

G. Frobenius, Über vertauschbare Matrizen, Preuss. Akad. Wiss. Sitzungsber. (1896) pp. 601-604.

[2]

N. H. McCoy, On the characteristic roots of matric polynomials, Bull. Amer. Math. Soc. (1936) pp. 592-600. MR 1563361

[3]

N. H. McCoy, On quasi-commutative matrices, Trans. Amer. Math. Soc. vol. 36 (1934) pp. 327-380. MR 1501746

[4]

W. E. Roth, On -commutative matrices, Trans. Amer. Math. Soc. vol. 39 (1936) pp. 483-495. MR 1501859

[5]

M. P. Drazin, J. W. Dungey, and K. W. Gruenberg, On commutative matrices, J. London Math. Soc. vol. 26 (1951) pp. 221-228. MR 0041095 (12:793e)

[6]

H. Wielandt, Lineare Scharen von Matrizen mit reellen Eigenwerten, Math. Zeit. vol. 53 (1950) pp. 219-225. MR 0039687 (12:581i)

[7]

H. B. Phillips, Functions of matrices, Amer. J. Math. vol. 41 (1919) pp. 266-278. MR 1506392