%0 Journal Article %A Tokarzewski, J. %T A note on some characterization of invariant zeros in singular systems and algebraic criteria of nondegeneracy %J International Journal of Applied Mathematics and Computer Science %D 2004 %P 149-159 %V 14 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2004_14_2_a2/ %G en %F IJAMCS_2004_14_2_a2