@article{NUMA_1985__47_133047,
     author = {M.W. Berry and M.T. Heath and I. Kaneko and ...},
     title = {An {Algorithm} to {Compute} a {Sparse} {Basis} of the {Null} {Space.}},
     journal = {Numerische Mathematik},
     pages = {483--504},
     publisher = {mathdoc},
     volume = {47},
     year = {1985},
     zbl = {0548.65024},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1985__47_133047/}
}