@article{1183731920, author = {Standley, Gerald B.}, title = {Ideographic Computation in the Propositional Calculus}, journal = {J. Symbolic Logic}, volume = {19}, number = {1}, year = {1954}, pages = { 169-171}, language = {en}, url = {http://dml.mathdoc.fr/item/1183731920} }
Standley, Gerald B. Ideographic Computation in the Propositional Calculus. J. Symbolic Logic, Tome 19 (1954) no. 1, pp. 169-171. http://gdmltest.u-ga.fr/item/1183731920/