The change of the feedback invariants under column perturbations: particular cases Authors: M.A. Beitia, A. Compta, I. de Hoyos, M. Peña Year: 2010 Publication medium: Linear and Multilinear Algebra 58 (1) Initial page - Ending page: 45 - 59 More information http://dx.doi.org/10.1080/03081080802086296