The following publications are possibly variants of this publication: 
- Magneto-optical/ferromagnetic-material computation: Bäcklund transformations, bilinear forms and N solitons for a generalized (3+1)-dimensional variable-coefficient modified Kadomtsev-Petviashvili systemXin-Yi Gao, Yong-Jiang Guo, Wen-Rui Shan, Yu-Qiang Yuan, Chen-Rong Zhang, Su-Su Chen. appml, 111:106627, 2021.  [doi] 
 - Certain electromagnetic waves in a ferromagnetic filmXin-Yi Gao, Yong-Jiang Guo, Wen-Rui Shan, Hui-Min Yin, Xia-Xia Du, Dan-Yu Yang. cnsns, 105:106066, 2022.  [doi]