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.
Frédérique Bassino. Nonnegative Companion Matrices and Star-Height of ::::N::::-Rational Series. Theoretical Computer Science, 180(1-2):61-80, 1997. [doi]