Mitrouli M., Kalogeropoulos G., and Koukouvinos C. “On the Computation of the Elementary Divisors and the Smith Normal Form of Homogeneous Matrix Pencils”. Utilitas Mathematica 49 (June 9, 1996). Accessed May 8, 2026. https://utilitasmathematica.com/index.php/Index/article/view/17.