On special families of morphisms related to [delta]-matching and don t care symbols

Richard Cole, Costas S. Iliopoulos, Thierry Lecroq, Wojciech Plandowski, Wojciech Rytter. On special families of morphisms related to [delta]-matching and don t care symbols. Inf. Process. Lett., 85(5):227-233, 2003. [doi]

Abstract

Abstract is missing.