@article{KJM_2004_26_a13,
     author = {Bo Zhou},
     title = {A note on indecomposability of {Boolean} matrices},
     journal = {Kragujevac Journal of Mathematics},
     pages = {133 },
     year = {2004},
     volume = {26},
     zbl = {1095.15012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KJM_2004_26_a13/}
}