Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Yahiko Kambayashi, Shuzo Yajima. Controllability of Seqential Machines. Inf. Comput., 21(4):306-328, November 1972.