Citations:autotransformation


 * 1999 S. Yu. Sakovich, "On two aspects of the Painleve analysis" arXiv]
 * The truncated singular expansions not necessarily lead to the simplest, elementary, Backlund autotransformation related to the Lax pair.
 * 2010 Hynek Baran, Michal Marvan, "On integrability of Weingarten surfaces: a forgotten class" arXiv]
 * We leave open the problem of finding a Backlund autotransformation and a recursion operator that would produce a local hierarchy.