Longest common subsequence problem for unoriented and cyclic strings.

François Nicolas Eric Rivals Longest common subsequence problem for unoriented and cyclic strings. 1-18 2007 370 Theor. Comput. Sci. 1-3 http://dx.doi.org/10.1016/j.tcs.2006.10.002 db/journals/tcs/tcs370.html#NicolasR07