LiP12'

@article{DBLP:journals/soco/LiP12,
  author    = {Hai-Yang Li and
               Ji-Gen Peng},
  title     = {Quotients and weakly algebraic sets in pseudoeffect algebras},
  journal   = {Soft Comput.},
  volume    = {16},
  number    = {3},
  year      = {2012},
  pages     = {485-492},
  ee        = {http://dx.doi.org/10.1007/s00500-011-0750-z},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}