@article{TIMM_2011_17_4_a19,
     author = {A. A. Makhnev and D. V. Paduchikh},
     title = {On graphs in which neighborhoods of vertices are isomorphic to the {Higman--Sims} graph},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {189--198},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2011_17_4_a19/}
}