M. M. CAVALCANTI, W. J. CORRÊA, M. A. SEPÚLVEDA C., and R. VÉJAR ASEM, “Finite difference scheme for a high order nonlinear Schrödinger equation with localized damping”, Stud. Univ. Babeş-Bolyai Math., vol. 64, no. 2, pp. 161–172, Jun. 2019.