@article{PDMA_2017_10_a50,
     author = {M. B. Abrosimov and S. V. Kostin},
     title = {About primitive regular graphs with exponent~2},
     journal = {Prikladnaya Diskretnaya Matematika. Supplement},
     pages = {131--134},
     publisher = {mathdoc},
     number = {10},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDMA_2017_10_a50/}
}