@article{JLT_2020_30_3_JLT_2020_30_3_a0,
     author = {H. Manev},
     title = {Matrix {Lie} {Groups} as {4-Dimensional} {Hypercomplex} {Manifolds} with {Hermitian-Norden} {Metrics}},
     journal = {Journal of Lie theory},
     pages = {617--626},
     year = {2020},
     volume = {30},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JLT_2020_30_3_JLT_2020_30_3_a0/}
}