@article{NUMA_1969__13_131907,
     author = {E. STIEFEL and D.G. BETTIS},
     title = {Stabilization of {Cowell's} {Method.}},
     journal = {Numerische Mathematik},
     pages = {154--175},
     publisher = {mathdoc},
     volume = {13},
     year = {1969},
     zbl = {0219.65062},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1969__13_131907/}
}