Salvatore Cuomo, Ardelio Galletti, Giulio Giunta and Livia Marcellino. (2017). Numerical Effects of the Gaussian Recursive Filters in Solving Linear Systems in the 3Dvar Case Study.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>10</i> (3).
            520-540.
         doi:10.4208/nmtma.2017.m1528