Alexey P. Mashtakov, Andrei A. Ardentov and Yuri L. Sachkov. (2013). Parallel Algorithm and Software for Image Inpainting via Sub-Riemannian Minimizers on the Group of Rototranslations.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>6</i> (1).
            95-115.
         doi:10.4208/nmtma.2013.mssvm05