Monographs

1. J. Kraus, S. Margenov, Robust Algebraic Multilevel Methods and Algorithms, Radon Series on Computational and Applied Mathematics, 5, de Gruyter, 2009, 246 p.
2. S. Margenov, Numerical Methods for Systems with Sparse Matrices}, Institute for Parallel Processing, Bulgarian Academy of Sciences, 2007, 155 p. (in Bulgarian)