@article{IJAMCS_2005_15_1_a12,
     author = {Bru, R. and Cacetta, L. and Rumchev, V. G.},
     title = {Monomial {Subdigraphs} of {Reachable} and {Controllable} {Positive} {Discrete-time} {Systems}},
     journal = {International Journal of Applied Mathematics and Computer Science},
     pages = {159--166},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IJAMCS_2005_15_1_a12/}
}