@article{ELA_2010__20__a37,
     author = {Tian, Yongge},
     title = {Rank and inertia of submatrices of the {Moore-Penrose} inverse of a {Hermitian} matrix},
     journal = {The electronic journal of linear algebra},
     pages = {226--240},
     publisher = {mathdoc},
     volume = {20},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2010__20__a37/}
}