Dugundji40'

BibTeX

@article{DBLP:journals/jsyml/Dugundji40,
  author    = {James Dugundji},
  title     = {Note on a Property of Matrices for Lewis and Langford's
               Calculi of Propositions},
  journal   = {J. Symb. Log.},
  volume    = {5},
  number    = {4},
  year      = {1940},
  pages     = {150-151},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}