@article{TIMM_1995_3_a20,
     author = {N. I. Potanin},
     title = {Some number properties of labelled simple graphs},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {267--273},
     publisher = {mathdoc},
     volume = {3},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_1995_3_a20/}
}