N. Li and Q. P. Liu, “On bi-Hamiltonian structure of two-component Novikov equation”, Physics Letters A, 377 (2013), 257-261
N. Li, Q. P. Liu and Z. Popowicz, “A four-component Camassa-Holm type hierarchy”, Journal of Geometry and Physics, 85 (2014), 29-39
N. Li and X. Niu, “A reciprocal transformation for the Geng-Xue equation”, Journal of Mathematical Physics, 55 (2014), 053505
N. Li, J. Zhang and L. Wu, “Reciprocal link for a coupled Camassa-Holm type equation”, Physics Letters A, 380 (2016), 1508-1513
N. Li and L.Wu, “Reciprocal transformations of generalized negative flows in integrable hierarchies”, Journal of Physics A: Mathematical and Theoretical, 55:43 (2022), 435201
