1. Inverse spectral problems for regular improper rational matrix functions;Ball,1988
2. Two sided Lagrange-Sylvester interpolation problems for rational matrix functions;Ball;Proceedings of AMS Summer Institute on Operator Theory/Operator Algebras and Applications, Durham, N.H.,1988
3. Minimal factorization of meromorphic matrix functions in terms of local data;Ball;Integral Equations Operator Theory,1987
4. Interpolation of Rational Matrix Functions;Ball,1990
5. J.A. Ball, I. Gohberg, and L. Rodman, Simultaneous residue interpolation problems for rational matrix functions, to appear.