On a direct method for the solution of nearly uncoupled Markov chains.
On error estimation in the conjugate gradient method and why it works in finite precision computations.
On the convergence rate of the conjugate gradients in presence of rounding errors.
On the Distribution of Errors in the Iterative Solution of a System of Linear Equations. II..
On the Distribution of Errors in the Iterative Solution of a System of Linear Equations.
On the minimum error in addition processes of positive floating-point numbers
On the Stability of Finite Numerical Procedures.
Optimal Approximation and Error Bounds in Seminormed Spaces.