00451nam a22001577a 450000500170000002000180001710000190003524500330005426000440008730000140013149000530014549000370019865000130023565000240024865000210027220260108115256.0  a9780198534181  aWilkinson, J H  aAlgebraic eigenvalue problem  aNew YorkbOxford university pressc2004  axviii+662  aNumerical mathematics and scientific computation  aMonographs on numerical analysis  aMatrices  aPerturbation theory  aIterative method