Moosaei, H., Mirzazadeh, M. and Yildirim, A. (2011) “Exact solutions to the perturbed nonlinear Schrödinger’s equation with Kerr law nonlinearity by using the first integral method”, Nonlinear Analysis: Modelling and Control, 16(3), pp. 332–339. doi:10.15388/NA.16.3.14096.