@inproceedings{inproceedings3ae94012,
title   = {Analysis of numeric conditioning of Hessian matrix of Lagrangian via singular values},
author = {Sousa, Vanusa Alves de and Baptista, Edméa Cássia and Costa, Geraldo Roberto Martins da},
year = {2007},
publisher = {IEEE},
booktitle   = {Power Tech}
}