@article{PDMA_2015_8_a41,
     author = {M. B. Abrosimov and O. V. Modenova},
     title = {Number estimation for additional arcs in a~minimal $1$-vertex extension of tournament},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {111--113},
     publisher = {mathdoc},
     number = {8},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2015_8_a41/}
}