@article{DBLP:journals/fuin/GuerraL12,
  author    = {Esther Guerra and Juan de Lara},
  title     = {An Algebraic Semantics for QVT-Relations Check-only Transformations},
  journal   = {Fundam. Inform.},
  volume    = {114},
  number    = {1},
  year      = {2012},
  pages     = {73-101},
  ee        = {http://dx.doi.org/10.3233/FI-2011-618},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}