@article{PelBre:01,
  journal = {Mathematica (Cluj)},
  volume = {43(66)},
  title = {Multialgebras and term functions over the algebra of their nonvoid
           subsets},
  author = {Pelea, Cosmin and Breaz, Simion},
  year = 2001,
  pages = {143--149},
  number = {2},
}