@article{NUMA_1969__13_131937,
     author = {A.S. HOUSEHOLDER and G.W. STEWART},
     title = {Comments on },
     journal = {Numerische Mathematik},
     pages = {470--471},
     publisher = {mathdoc},
     volume = {13},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1969__13_131937/}
}