| On the characterization of the extremal points of the unit sphere of matrices K Ziętak Linear Algebra and its Applications 106, 57-75, 1988 | 35 | 1988 |
| The polar decomposition: properties, applications and algorithms P Zieliński, K Ziętak Matematyka Stosowana: matematyka dla społeczeństwa, 1995 | 33 | 1995 |
| Approximation of matrices and a family of Gander methods for polar decomposition B Laszkiewicz, K Ziętak BIT Numerical Mathematics 46, 345-366, 2006 | 26 | 2006 |
| The Chebyshev solution of the linear matrix equationAX+YB=C K Ziętak Numerische Mathematik 46, 455-478, 1985 | 25 | 1985 |
| Numerical behaviour of Higham's scaled method for polar decomposition A Kiełbasiński, K Ziętak Numerical Algorithms 32, 105-140, 2003 | 20 | 2003 |
| The lsubp-solution of the linear matrix equation AX+ YB= C K Zie̜tak Computing 32 (2), 153-162, 1984 | 17* | 1984 |
| Algorithms for the matrix sector function B Laszkiewicz, K Zietak Electronic Transactions on Numerical Analysis 31, 358-383, 2008 | 14 | 2008 |
| Properties of linear approximations of matrices in the spectral norm K Ziętak Linear algebra and its applications 183, 41-60, 1993 | 14 | 1993 |
| Strict spectral approximation of a matrix and some related problems K Ziętak Applicationes Mathematicae 24 (3), 267-280, 1997 | 10 | 1997 |
| Orthant–monotonic norms and overdetermined linear systems K Zietak journal of approximation theory 88 (2), 209-227, 1997 | 7 | 1997 |
| The Chebyshev approximation of a rectangular matrix by matrices of smaller rank as the limit of lp-apprpoximation K Ziȩtak Journal of computational and applied mathematics 11 (3), 297-305, 1984 | 7 | 1984 |
| From the strict Chebyshev approximant of a vector to the strict spectral approximant of a matrix K Ziętak Banach Center Publications 112, 307-346, 2017 | 5 | 2017 |
| Note on “A New Scaling for Newton's Iteration for the Polar Decomposition and Its Backward Stability” by R. Byers and H. Xu A KieŁbasiński, K Ziętak SIAM Journal on Matrix Analysis and Applications 31 (3), 1538-1539, 2010 | 5 | 2010 |
| Strict approximation of matrices K Zietak SIAM Journal on Matrix Analysis and Applications 16 (1), 232-234, 1995 | 5 | 1995 |
| Thel p -solution of the nonlinear matrix equationXY=A K Zietak BIT Numerical Mathematics 23, 248-257, 1983 | 5 | 1983 |
| Linear Spectral Approsimations of Matrices K Zie̜tak Inst., Univ, 1992 | 4 | 1992 |
| Properties of the Approximations of a Matrix which Lower its Rank K Zie̜tak IMA journal of Numerical Analysis 9 (4), 545-554, 1989 | 4 | 1989 |
| On the linear approximation of matrices K Ziętak Instytut Informatyki Uniwersytetu Wrocławskiego, 1988 | 4 | 1988 |
| Higham’s scaled method for polar decomposition and numerical matrix-inversion A Kiełbasinski, P Zielinski, K Zietak Technical report Institute of Mathematics and Computer Science Report, 0 | 4 | |
| On iterative algorithms for the polar decomposition of a matrix and the matrix sign function A Kiełbasiński, P Zieliński, K Ziȩtak Applied Mathematics and Computation 270, 483-495, 2015 | 3 | 2015 |
