Sharaf, Prof.Mohammed Adel, and Z.A. Mominkhan. “Mathematica Module for Singularity Free Computations of Euler Parameters”. JOURNAL OF ADVANCES IN MATHEMATICS 5, no. 1 (December 14, 2013): 562–569. Accessed November 22, 2024. https://rajpub.com/index.php/jam/article/view/3667.