@article{MZM_2009_86_1_a2,
     author = {Guo Wenbin and A. A. Makhnev and D. V. Paduchikh},
     title = {Automorphisms of {Coverings} of {Strongly} {Regular} {Graphs} with {Parameters} (81,20,1,6)},
     journal = {Matemati\v{c}eskie zametki},
     pages = {22--36},
     publisher = {mathdoc},
     volume = {86},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2009_86_1_a2/}
}