@article{VMJ_2009_11_1_a3,
     author = {V. I. Kazarina and A. A. Makhnev},
     title = {On edge-regular graphs with $b_1=5$},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {29--42},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2009_11_1_a3/}
}