@article{Ior:03,
  journal = {Sci. Math. Jpn.},
  volume = {57},
  title = {Some direct ascendents of {W}ajsberg and {MV} algebras},
  year = {2003},
  fjournal = {Scientiae Mathematicae Japonicae},
  pages = {583--647},
  number = {3},
  author = {Iorgulescu, Afrodita},
}