A Bäcklund transformation between 4D Mart\'ınez Alonso -- Shabat and Ferapontov -- Khusnutdinova equations
arXiv:1502.00902 · doi:10.1134/S0040577916090063
Abstract
We find a Bäcklund transformation between 4-dimensional Mart\'ınez Alonso -- Shabat and Ferapontov -- Khusnutdinova equations.