@article{ELA_2008__17__a24,
     author = {Soto, Ricardo L. and Ccapa, Javier},
     title = {Nonnegative matrices with prescribed elementary divisors},
     journal = {The electronic journal of linear algebra},
     pages = {287--303},
     publisher = {mathdoc},
     volume = {17},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ELA_2008__17__a24/}
}