1. Gandarias, M.L., Rosa, M., Recio, E., Anco, S.: AIP Conf. Proc. 1836, 020072, 6 p. (2017)
2. Ivanova, N.M., Popovych, R.O., Sophocleous, C.: Conservation laws of variable coefficient diffusion-convection equations. In: Ibragimov, N.H., et al. (eds.) Proceedings of Tenth International Conference in Modern Group Analysis. Nicosia, pp. 107–113 (2005)
3. Kaur, L., Gupta, R.K.: Math. Meth. Appl. Sci. 36(5), 584–600 (2013)
4. Kawahara, T.: J. Phys. Soc. Jpn. 33, 260–271 (1972)
5. Kingston, J.G., Sophocleous, C.: J. Phys. A: Math. Gen. 31, 1597–1619 (1998)