@article{PDMA_2016_9_a40,
     author = {Y. E. Avezova and V. M. Fomichev},
     title = {About one heritage character in cyclic semigroups of graphs},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {105--109},
     year = {2016},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2016_9_a40/}
}