Maxime Crochemore Chiara Epifanio Alessandra Gabriele Filippo Mignosi From Nerode's congruence to suffix automata with mismatches. 3471-3480 2009 410 Theor. Comput. Sci. 37 http://dx.doi.org/10.1016/j.tcs.2009.03.011 db/journals/tcs/tcs410.html#CrochemoreEGM09