Jin Cui, Chaolong Jiang and Yushun Wang. (2018). Optimal H<sup>1</sup>-Error Estimates for Crank-Nicolson Finite Difference Scheme for Gross-Pitaevskii Equation with Angular Momentum Rotation Term.
            <i>East Asian Journal on Applied Mathematics</i>. <i>8</i> (3).
            385-398.
         doi:10.4208/eajam.060218.270418