@article{ELA_2009__18__a43,
     author = {Dealba, Luz Maria and Hogben, Leslie and Sarma, Bhaba Kumar},
     title = {The $Q$-matrix completion problem},
     journal = {The electronic journal of linear algebra},
     pages = {176--191},
     publisher = {mathdoc},
     volume = {18},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2009__18__a43/}
}