@article{JSFU_2009_2_1_a5,
     author = {Konstantin S. Efimov and Alexander A. Makhnev},
     title = {Amply {Regular} {Graphs} with $b_1=6$},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
     pages = {63--77},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2009_2_1_a5/}
}