%0 Journal Article %A Bru, R. %A Cacetta, L. %A Rumchev, V. G. %T Monomial Subdigraphs of Reachable and Controllable Positive Discrete-time Systems %J International Journal of Applied Mathematics and Computer Science %D 2005 %P 159-166 %V 15 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IJAMCS_2005_15_1_a12/ %G en %F IJAMCS_2005_15_1_a12