@article{DA_2010_17_6_a5,
     author = {D. B. Khoroshilova},
     title = {On perfect colorings of line graphs},
     journal = {Diskretnyj analiz i issledovanie operacij},
     pages = {77--95},
     publisher = {mathdoc},
     volume = {17},
     number = {6},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DA_2010_17_6_a5/}
}