Selected papers that cite this one
- Seymour Ginsburg and Thomas N. Hibbard. Solvability of machine mappings of regular sets to regular sets. Journal of the ACM, 11(3):302-312, July 1964.
- Seymour Ginsburg and Edwin H. Spanier. Quotients of context-free languages. Journal of the ACM, 10(4):487-492, October 1963.
- Seymour Ginsburg and Edwin H. Spanier. Mappings of languages by two-tape devices. Journal of the ACM, 12(3):423-434, July 1965.