K
[Kri63] Saul A. Kripke. Semantical Considerations on Modal Logic. Acta Philosophica Fennica 16:83-94. Philosophical Society of Finland, 1963. 
@article{apf16()-Kri,
  author =              {Kripke, Saul A.},
  title =               {Semantical Considerations on Modal Logic},
  publisher =           {Philosophical Society of Finland},
  journal =             {Acta Philosophica Fennica},
  volume =              {16},
  pages =               {83-94},
  year =                {1963},
}
List of authors