@article{PDM_2015_3_a6,
     author = {M. N. Nazarov},
     title = {An alternative way of defining finite graphs},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {83--94},
     publisher = {mathdoc},
     number = {3},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2015_3_a6/}
}