Yi Zhang, Wen Xiang
      Wronskian and Grammian solutions to the (3+1)-dimensional BKP equation
      International Mathematical Forum, Vol. 10, 2015, no. 5, 237-246
      http://dx.doi.org/10.12988/imf.2015.5321

Copyright © 2015 Yi Zhang and Wen Xiang. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.