1. Matrix Methods in Stability Theory;Barnett,1970
2. Uniqueness of the operator attaining C(Hn,r,zn);Dostál;Časopis Pěst. Mat.,1978
3. Z. Dostál, Norms of iterates and the spectral radius of matrices, to appear.
4. Polynomials of the eigenvalues and power of matrices;Dostál;Comment. Math. Univ. Carolinae,1978
5. Critical exponent of operators with constrained spectral radius;Dostál;Comment. Math. Univ. Carolinae,1978