Perturbation expansions in polynomial root tracking.

Jari P. Kaipio Pasi A. Karjalainen M. Juntunen Perturbation expansions in polynomial root tracking. 515-523 2000 80 Signal Processing 3 http://dx.doi.org/10.1016/S0165-1684(99)00148-6 db/journals/sigpro/sigpro80.html#KaipioKJ00