Arjan Kuijper, Andreas Schwarzkopf, Thomas Kalbe, Chandrajit Bajaj, Stefan Roth & Michael Goesele. (2020). 3D Anisotropic Diffusion on GPUs by Closed-Form Local Tensor Computations.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>6</i> (1).
            72-94.
         doi:10.4208/nmtma.2013.mssvm04