@article{1183389307, author = {Newman, M. H. A. and Turing, A. M.}, title = {A Formal Theorem in Church's Theory of Types}, journal = {J. Symbolic Logic}, volume = {7}, number = {1}, year = {1942}, pages = { 28-33}, language = {en}, url = {http://dml.mathdoc.fr/item/1183389307} }
Newman, M. H. A.; Turing, A. M. A Formal Theorem in Church's Theory of Types. J. Symbolic Logic, Tome 7 (1942) no. 1, pp. 28-33. http://gdmltest.u-ga.fr/item/1183389307/