1. Polynomials and Linear Control Systems;Barnett,1983
2. Greatest common divisor of several polynomials;Barnett,1971
3. Degrees of greatest common divisors of invariant factors of two regular polynomial matrices;Barnett,1970
4. Greatest common divisor of two polynomials;Barnett;Linear Algebra Appl.,1970
5. Matrices in Control Theory;Barnett,1971