Graph theory and probability. Canad, J. Math, vol.11, pp.34-38, 1959. ,
Fractional Colourings and the Mycielski graphs, 2006. ,
The fractional chromatic number of mycielski's graphs, Journal of Graph Theory, vol.2, issue.3, pp.411-416, 1995. ,
DOI : 10.1002/jgt.3190190313
On chromatic number of finite set-systems, Acta Mathematica Academiae Scientiarum Hungaricae, vol.24, issue.66, pp.59-67, 1968. ,
DOI : 10.1007/BF01894680
Sur le coloriage des graphs, Colloq. Math, vol.3, pp.161-162, 1955. ,
A short proof of the existence of highly chromatic hypergraphs without short cycles, Journal of Combinatorial Theory, Series B, vol.27, issue.2, pp.225-227, 1979. ,
DOI : 10.1016/0095-8956(79)90084-4
Fractional graph theory. Wiley-Interscience Series in Discrete Mathematics and Optimization, 1997. ,
On some properties of linear complexes, Russian. English translation in Amer, pp.163-188, 1949. ,