References

VECTOR REPRESENTATION OF QUATERNIONS. SOLUTIONS OF QUATERNIONIC QUADRATIC EQUATIONS


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[12] L. Huang and W. So, Quadratic formulas for quaternions, Applied Mathematics Letters 15 (2002), 533-540.

[13] P. Cohn, Algebra, Volume I, John Wiley, 1980.

[14] L. Huang and W. So, Linear Algebra and its Appl. 323 (2001), 105-116.