@article{DBLP:journals/jct/LovaszNP80,
author = {L{\'a}szl{\'o} Lov{\'a}sz and
Jaroslav Nesetril and
Ales Pultr},
title = {On a product dimension of graphs},
journal = {J. Comb. Theory, Ser. B},
volume = {29},
number = {1},
year = {1980},
pages = {47-67},
ee = {http://dx.doi.org/10.1016/0095-8956(80)90043-X},
bibsource = {DBLP, http://dblp.uni-trier.de}
}