@article{ELA_2008__17__a28,
     author = {Catral, Minerva and Olesky, Dale D. and van den Driessche, Pauline},
     title = {Group inverses of matrices with path graphs},
     journal = {The electronic journal of linear algebra},
     pages = {219--233},
     publisher = {mathdoc},
     volume = {17},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2008__17__a28/}
}