@article{PDMA_2017_10_a51,
     author = {M. B. Abrosimov and O. V. Modenova},
     title = {Upper and lower bounds of the number of additional arcs in a~minimal edge $1$-extension of oriented path},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {134--136},
     publisher = {mathdoc},
     number = {10},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2017_10_a51/}
}