Wang G., Kara A. H., Vega-Guzman J. and Biswas A. (2017) “Group analysis, nonlinear self-adjointness, conservation laws, and soliton solutions for the mKdV systems”, Nonlinear Analysis: Modelling and Control, 22(3), pp. 334-346. doi: 10.15388/NA.2017.3.4.