- Arto Salomaa. Two
complete axiom systems for the algebra of regular events.
Journal of the ACM, 13(1):158-169, January 1966.
References
and Citations.
- H. A. Maurer, A. Salomaa, and D. Wood. Dense hierarchies of grammatical
families. Journal of the ACM, 29(1):118-126, January
1982.
- H. A. Maurer, A. Salomaa, and D. Wood. A supernormal-form theorem for
context-free grammars. Journal of the ACM,
30(1):95-102, January 1983.
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