@article{1183730737, author = {Goodman, Nelson}, title = {An Improvement in the Theory of Simplicity}, journal = {J. Symbolic Logic}, volume = {14}, number = {4}, year = {1950}, pages = { 228-229}, language = {en}, url = {http://dml.mathdoc.fr/item/1183730737} }
Goodman, Nelson. An Improvement in the Theory of Simplicity. J. Symbolic Logic, Tome 14 (1950) no. 4, pp. 228-229. http://gdmltest.u-ga.fr/item/1183730737/