%0 Journal Article %A Hall, Frank J. %A Rozložník, Miroslav %T G-matrices, $J$-orthogonal matrices, and their sign patterns %J Czechoslovak Mathematical Journal %D 2016 %P 653-670 %V 66 %N 3 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.1007/s10587-016-0284-8/ %R 10.1007/s10587-016-0284-8 %G en %F 10_1007_s10587_016_0284_8