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@article{SF_1992__45_3_135198, author = {M. Satyanarayana and S. Mohanty}, title = {Limited semaphore codes.}, journal = {Semigroup forum}, pages = {364--371}, publisher = {mathdoc}, volume = {45}, number = {3}, year = {1992}, zbl = {0772.94003}, url = {http://geodesic.mathdoc.fr/item/SF_1992__45_3_135198/} }
M. Satyanarayana; S. Mohanty. Limited semaphore codes.. Semigroup forum, Tome 45 (1992) no. 3, pp. 364-371. http://geodesic.mathdoc.fr/item/SF_1992__45_3_135198/