Erfanifar , RaziyehHajarian , Masoud and Sayevand , Khosro. (2024). On Polar Decomposition of Tensors with Einstein Product and a Novel Iterative Parametric Method.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>17</i> (1).
            69-92.
         doi:10.4208/nmtma.OA-2023-0065