@article{ELA_2003__10__a21,
     author = {Choi, Ji Young and Dealba, Luz Maria and Hogben, Leslie and Kivunge, Benard M. and Nordstrom, Sandra K. and Shedenhelm, Mike},
     title = {The nonnegative $P_0$-matrix completion problem},
     journal = {The electronic journal of linear algebra},
     pages = {46--59},
     publisher = {mathdoc},
     volume = {10},
     year = {2003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2003__10__a21/}
}