@article{MABA_1991_5_2_a4,
     author = {Christian Jansson},
     title = {Rigorous {Sensitivity} {Analysis} for {Real} {Symmetric} {Matrices} with {Uncertain} {Data}},
     journal = {Mathematica balkanica},
     pages = {109},
     year = {1991},
     volume = {5},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/MABA_1991_5_2_a4/}
}