Meng Wang & Qingyue Liu. (2019). The Equation Δ<em>u</em>+∇φ•∇<em>u</em>=8<em>πc</em>(1-<em>he</em><sup><em>u</em></sup>) on a Riemann Surface.
            <i>Journal of Partial Differential Equations</i>. <i>25</i> (4).
            335-355.
         doi:10.4208/jpde.v25.n4.3