Romero, I., and J.J. Arribas. “Taxonomy of Polar Decompositions for Singular Second-Order Tensors in ℝ3”. Archives of Mechanics 61, no. 5 (September 1, 2009): 383–390. Accessed January 17, 2026. http://am.ippt.gov.pl/index.php/am/article/view/v61p383.