Pynko99'

@article{DBLP:journals/apal/Pynko99,
  author    = {Alexej P. Pynko},
  title     = {Definitional Equivalence and Algebraizability of Generalized
               Logical Systems},
  journal   = {Ann. Pure Appl. Logic},
  volume    = {98},
  number    = {1-3},
  year      = {1999},
  pages     = {1-68},
  ee        = {http://dx.doi.org/10.1016/S0168-0072(98)00058-X},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}