@article{ELA_2007__16__a22,
     author = {Chenette, Nathan L. and Droms, Sean V. and Hogben, Leslie and Mikkelson, Rana and Pryporova, Olga},
     title = {Minimum rank of a tree over an arbitrary field},
     journal = {The electronic journal of linear algebra},
     pages = {183--186},
     publisher = {mathdoc},
     volume = {16},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2007__16__a22/}
}