@article{TIMM_2013_19_3_a20,
     author = {A. A. Makhnev and D. V. Paduchikh},
     title = {On strongly regular graphs with eigenvalue~$\mu$ and their extensions},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {207--214},
     publisher = {mathdoc},
     volume = {19},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2013_19_3_a20/}
}