@article{1093891493, author = {Swiggart, Peter}, title = {Self reference in formal languages.}, journal = {Notre Dame J. Formal Logic}, volume = {15}, number = {1}, year = {1974}, pages = { 608-612}, language = {en}, url = {http://dml.mathdoc.fr/item/1093891493} }
Swiggart, Peter. Self reference in formal languages.. Notre Dame J. Formal Logic, Tome 15 (1974) no. 1, pp. 608-612. http://gdmltest.u-ga.fr/item/1093891493/