@inproceedings{HRS08,
	Address = {New York},
	Author = {Havet, F. and Reed, B. and Sereni, J.-S.},
	Booktitle = {Proceedings of the {N}ineteenth {A}nnual {ACM}-{SIAM} {S}ymposium on {D}iscrete {A}lgorithms},
	Mrclass = {05C78 (68U05)},
	Pages = {621--630},
	Publisher = {ACM},
	Title = {{$L(2,1)$}-labelling of graphs},
	Year = {2008}}