@article{ZNSL_2010_381_a0,
     author = {S. L. Berlov},
     title = {Chromatic numbers of layered graphs with bounded maximal clique},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {5--30},
     year = {2010},
     volume = {381},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2010_381_a0/}
}