Jun Zhang, Rongliang Chen, Chengzhi Deng & Shengqian Wang. (2020). Fast Linearized Augmented Lagrangian Method for Euler's Elastica Model.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>10</i> (1).
            98-115.
         doi:10.4208/nmtma.2017.m1611