Authors: Axelsson, O Kaporin, I

Citation: O. Axelsson et I. Kaporin, Error norm estimation and stopping criteria in preconditioned conjugate gradient iterations, NUM LIN ALG, 8(4), 2001, pp. 265-286

Authors: Kaporin, I

Citation: I. Kaporin, A practical algorithm for faster matrix multiplication, NUM LIN ALG, 6(8), 1999, pp. 687-700