@article{NUMA_1966__9_131730,
     author = {J.W. DANIEL},
     title = {Correcting {Approximations} to {Multiple} {Roots} of {Polynomials.}},
     journal = {Numerische Mathematik},
     pages = {99--103},
     publisher = {mathdoc},
     volume = {9},
     year = {1966},
     zbl = {0152.14602},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1966__9_131730/}
}