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@article{DM_1993_5_2_a1, author = {G. Kilibarda and \v{S}. M. U\v{s}\'cumli\'c}, title = {Labyrinth traps for groups of automata}, journal = {Diskretnaya Matematika}, pages = {29--50}, publisher = {mathdoc}, volume = {5}, number = {2}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DM_1993_5_2_a1/} }
G. Kilibarda; Š. M. Ušćumlić. Labyrinth traps for groups of automata. Diskretnaya Matematika, Tome 5 (1993) no. 2, pp. 29-50. http://geodesic.mathdoc.fr/item/DM_1993_5_2_a1/