1. A minimax inequality for operators and a related numerical range;Asplund;Acta Math. (Uppsala),1971
2. Norms of Matrices and their Applications (in Russian);Belickii,1984
3. Uniqueness of the operator attaining C(Hn, r, n);Dostál;Časopis Pêst. Mat.,1978
4. Polynomials of the eigenvalues and powers of matrices;Dostál;Comment. Math. Univ. Carolin.,1978
5. Critical exponent of operators with constrained spectral radius;Dostál;Comment. Math. Univ. Carolin.,1978