Eckhaus, W. (1985), The long-time behaviour for perturbed wave-equations and related problems, Department of Mathematics, University of Utrecht, Preprint no. 404. Published in part in: Eckhaus, W. (1986), "The long-time behaviour for perturbed wave-equations and related problems", in Kröner, E.; Kirchgässner, K. (eds.), Trends in applications of pure mathematics to mechanics, Lecture Notes in Physics, vol. 249, Berlin: Springer, pp. 168–194,
doi:
10.1007/BFb0016391,
ISBN978-3-540-16467-8
Kundu, A. (1984), "Landau–Lifshitz and higher-order nonlinear systems gauge generated from nonlinear Schrödinger-type equations", Journal of Mathematical Physics, 25 (12): 3433–3438,
Bibcode:
1984JMP....25.3433K,
doi:
10.1063/1.526113
Taghizadeh, N.; Mirzazadeh, M.; Tascan, F. (2012), "The first-integral method applied to the Eckhaus equation", Applied Mathematics Letters, 25 (5): 798–802,
doi:10.1016/j.aml.2011.10.021
Zwillinger, D. (1998), Handbook of differential equations (3rd ed.), Academic Press,
ISBN978-0-12-784396-4
Eckhaus, W. (1985), The long-time behaviour for perturbed wave-equations and related problems, Department of Mathematics, University of Utrecht, Preprint no. 404. Published in part in: Eckhaus, W. (1986), "The long-time behaviour for perturbed wave-equations and related problems", in Kröner, E.; Kirchgässner, K. (eds.), Trends in applications of pure mathematics to mechanics, Lecture Notes in Physics, vol. 249, Berlin: Springer, pp. 168–194,
doi:
10.1007/BFb0016391,
ISBN978-3-540-16467-8
Kundu, A. (1984), "Landau–Lifshitz and higher-order nonlinear systems gauge generated from nonlinear Schrödinger-type equations", Journal of Mathematical Physics, 25 (12): 3433–3438,
Bibcode:
1984JMP....25.3433K,
doi:
10.1063/1.526113
Taghizadeh, N.; Mirzazadeh, M.; Tascan, F. (2012), "The first-integral method applied to the Eckhaus equation", Applied Mathematics Letters, 25 (5): 798–802,
doi:10.1016/j.aml.2011.10.021
Zwillinger, D. (1998), Handbook of differential equations (3rd ed.), Academic Press,
ISBN978-0-12-784396-4