Geodesic
Automorphisms of a distance-regular graph with intersection array $\{100,66,1;1,33,100\}$
Sibirskie èlektronnye matematičeskie izvestiâ, Tome 12 (2015), pp. 795-801

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A. A. Makhnev and D. V. Paduchikh have found intersection arrays of distance-regular graphs, in which neighborhoods of vertices are strongly-regular graphs with second eigenvalue $3$. A. A. Makhnev suggested the program to research of automorphisms of these distance-regular graphs. In this paper it is obtained possible orders and subgraphs of fixed points of automorphisms of a hypothetical distance-regular graph with intersection array $\{100,66,1;1,33,100\}$. In particular, this graph does not vertex symmetric.
Keywords: distance-regular graph, vertex symmetric graph. 
@article{SEMR_2015_12_a24,
     author = {K. S. Efimov and A. A. Makhnev},
     title = {Automorphisms of a distance-regular graph with intersection array $\{100,66,1;1,33,100\}$},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {795--801},
     publisher = {mathdoc},
     volume = {12},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2015_12_a24/}
}
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K. S. Efimov; A. A. Makhnev. Automorphisms of a distance-regular graph with intersection array $\{100,66,1;1,33,100\}$. Sibirskie èlektronnye matematičeskie izvestiâ, Tome 12 (2015), pp. 795-801. http://geodesic.mathdoc.fr/item/SEMR_2015_12_a24/