@book{BoiFilGeoRud:91,
  volume = {49},
  title = {\L ukasiewicz-{M}oisil algebras},
  year = {1991},
  pages = {xvi+583},
  publisher = {North-Holland Publishing Co.},
  address = {Amsterdam},
  author = {Boicescu, Vlad and Filipoiu, Adrian and Georgescu, George and
            Rudeanu, Sergiu},
  series = {Annals of Discrete Mathematics},
}