@article{ITA_1994__28_3-4_277_0,
     author = {Simon, Imre},
     title = {On semigroups of matrices over the tropical semiring},
     journal = {RAIRO - Theoretical Informatics and Applications - Informatique Th\'eorique et Applications},
     pages = {277--294},
     publisher = {EDP-Sciences},
     volume = {28},
     number = {3-4},
     year = {1994},
     mrnumber = {1282449},
     zbl = {0888.68086},
     language = {en},
     url = {http://www.numdam.org/item/ITA_1994__28_3-4_277_0/}
}