@article{ELA_2001__8__a2, author = {Tian, Yongge and Styan, George P.H.}, title = {How to establish universal block-matrix factorizations}, journal = {The electronic journal of linear algebra}, pages = {115--127}, publisher = {mathdoc}, volume = {8}, year = {2001}, language = {en}, url = {http://geodesic.mathdoc.fr/item/ELA_2001__8__a2/} }