Owe Axelsson, Mariana Nikolova On Generalized Conjugate Gradient Type Methods for the Iterative Solution of Nonsymmetric and/or Indefinite Systems of Equations; Some Specific Convergence Properties. [Citation Graph (0, 0)][DBLP] LSSC, 1999, pp:3-14 [Conf]
Owe Axelsson, Mariana Nikolova Adaptive Refinement for Convection-Diffusion Problems Based on a Defect-Correction Technique and Finite Difference Method. [Citation Graph (0, 0)][DBLP] Computing, 1997, v:58, n:1, pp:1-30 [Journal]