Interval linear systems with symmetric matrices, skew-symmetric matrices and dependencies in the right hand side Jansson, Christian 1991 - TUHH Open Research
Rigorous sensitivity analysis for real symmetric matrices with uncertain data Jansson, Christian 1991 - TUHH Open Research
Rigorous solution of linear programming problems with uncertain data Jansson, Christian Rump, Siegfried M. 1991 - TUHH Open Research
A geometric approach for computing a posteriori error bounds for the solution of a linear system Jansson, Christian 1991 - TUHH Open Research