@article{MT_1988_10_a8,
     author = {A. V. Kostochka},
     title = {Upper bounds on the chromatic number of graphs},
     journal = {Matemati\v{c}eskie trudy},
     pages = {204--226},
     publisher = {mathdoc},
     volume = {10},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1988_10_a8/}
}