@article{DesharnaisMoeller2014,
  author    = {Jules Desharnais and Bernhard M{\"o}ller},
  title     = {Fuzzifying modal algebra},
  journal   = {Lecture Notes in Computer Science},
  volume    = {8428},
  pages     = {395 -- 411},
  doi       = {10.1007/978-3-319-06251-8_24},
  year      = {2014},
}