Dalmau05'

@article{DBLP:journals/amai/Dalmau05,
  author    = {V\'{\i}ctor Dalmau},
  title     = {A new tractable class of constraint satisfaction problems},
  journal   = {Ann. Math. Artif. Intell.},
  volume    = {44},
  number    = {1-2},
  year      = {2005},
  pages     = {61-85},
  ee        = {http://dx.doi.org/10.1007/s10472-005-1810-9},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}