@article {stanimirovic2012symbolic,
	title = {Symbolic computation of AT, S (2)-inverses using QDR factorization},
	journal = {Linear Algebra and its Applications},
	volume = {437},
	number = {6},
	year = {2012},
	pages = {1317{\textendash}1331},
	publisher = {North-Holland},
	author = {Predrag S. Stanimirovi{\'c} and Dimitrios Pappas and Vasilios N. Katsikis and Stanimirovi{\'c}, Ivan P}
}
