RijkeV95'

@article{DBLP:journals/sLogica/RijkeV95,
  author    = {Maarten de Rijke and
               Yde Venema},
  title     = {Sahlqvist's theorem for Boolean algebras with operators
               with an application to cylindric algebras},
  journal   = {Studia Logica},
  volume    = {54},
  number    = {1},
  year      = {1995},
  pages     = {61-78},
  ee        = {http://dx.doi.org/10.1007/BF01058532},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}