@article{10_21136_CMJ_1963_100588,
     author = {Fiedler, Miroslav},
     title = {On inverting partitioned matrices},
     journal = {Czechoslovak Mathematical Journal},
     pages = {574--586},
     publisher = {mathdoc},
     volume = {13},
     number = {4},
     year = {1963},
     doi = {10.21136/CMJ.1963.100588},
     mrnumber = {0160793},
     zbl = {0121.26104},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1963.100588/}
}