Solid codes and disjunctive domains

SEMIGROUPS AND COMBINATORIAL APPLICATIONS

John Howie · Bulletin of the London Mathematical Society · 1980 · 523 citations

Mathematical Programming, Topological Semigroups, Combinatorics On Word +8

Disjunctive languages on a free monoid

H. J. Shyr · Information and Control · 1977 · 42 citations

Syntax, Automated Reasoning, Grammatical Formalism +6

Ordered catenation and regular free disjunctive languages

H. J. Shyr · Information and Control · 1980 · 21 citations

Order Theory, Syntax, Automated Reasoning +5