@article{SEMR_2018_15_a58,
     author = {N. D. Zyulyarkina and A. A. Makhnev},
     title = {Small vertex-symmetric   {Higman} graphs  with $\mu=6$},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {54--59},
     publisher = {mathdoc},
     volume = {15},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2018_15_a58/}
}