Choudhry, A. "Extraction of th Roots of Matrices." Lin. Alg. Appl.387,
183-192, 2004.Johnson, C. R.; Okubo, K.; and Reams, R. "Uniqueness
of Matrix Square Roots and an Application." Lin. Alg. Appl.323,
51-60, 2001.Potts, R. B. Utilitas Math.9, 73, 1976.Trott,
M. The
Mathematica GuideBook for Symbolics. New York: Springer-Verlag, pp. 40-41,
2006. http://www.mathematicaguidebooks.org/.
th Roots of 
Matrices." Lin. Alg. Appl. 387,
183-192, 2004.Johnson, C. R.; Okubo, K.; and Reams, R. "Uniqueness
of Matrix Square Roots and an Application." Lin. Alg. Appl. 323,
51-60, 2001.Potts, R. B. Utilitas Math. 9, 73, 1976.Trott,
M. The
Mathematica GuideBook for Symbolics. New York: Springer-Verlag, pp. 40-41,
2006. http://www.mathematicaguidebooks.org/.