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Xing-Jian Li and  Shen Qu,  Two Different Computing Methods of the Smith Arithmetic Determinant.   journal   = {International Journal of Mathematical, Computational, Physical, Electrical and Computer Engineering}, [online]. World Academy of Science, Engineering and Technology. January 2013, vol. 73(1). 186 - 190[viewed 24 September 2018]. Available from: http://waset.org/publications/9996770.