@article{DraGeo:01,
  journal = {MLQ Math. Log. Q.},
  volume = {47},
  title = {Algebraic logic for rational {P}avelka predicate calculus},
  year = {2001},
  fjournal = {MLQ. Mathematical Logic Quarterly},
  pages = {315--326},
  number = {3},
  author = {Dr{\u{a}}gulici, Dumitru Daniel and Georgescu, George},
}