Krieger, Udo R.; Sczittnick, Michael (1992): Application of numerical solution methods for singular systems in the field of computational probability theory, in: Robert Beauwens und Robert Beauwens (Hrsg.), Iterative methods in linear algebra : proceedings of the IMACS International Symposium on Iterative Methods in Linear Algebra, Brussels, Belgium, 2 - 4 April, 1991, Amsterdam ; London ; New York ; Tokyo: North-Holland, S. 613–626.