B. Bagchi, S. Modak, and P. K. Panigrahi, “TRACKING DOWN LOCALIZED MODES IN PT-SYMMETRIC HAMILTONIANS UNDER THE INFLUENCE OF A COMPETING NONLINEARITY”, Acta Polytech, vol. 54, no. 2, pp. 79–84, Apr. 2014, doi: 10.14311/AP.2014.54.0079.