@article{NUMA_1974__22_132263,
     author = {A.M. Erisman and J.K. Reid},
     title = {Monitoring the {Stability} of the {Triangular} {Factorization} of a {Sparse} {Matrix.}},
     journal = {Numerische Mathematik},
     pages = {183--186},
     publisher = {mathdoc},
     volume = {22},
     year = {1974},
     zbl = {0271.65021},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1974__22_132263/}
}