1
Published 2007
Springer Berlin Heidelberg
Table of Contents: ... and Systems -- Contributed Papers -- Deterministic Two-Dimensional Languages over One-Letter Alphabet...

2
Published 2013
Springer Berlin Heidelberg
Table of Contents: ... One-Letter Alphabet -- Alternative Automata Characterization of Piecewise Testable Languages -- Finite...

3
Published 1997
Springer Berlin Heidelberg
Table of Contents: ... characterization of repetitive morphisms over the two-letter alphabet -- An algorithm for identifying spliced...