@article{1183734587, author = {Standley, Gerald B.}, title = {Two Arithmetical Techniques with Numbered Classes}, journal = {J. Symbolic Logic}, volume = {27}, number = {1}, year = {1962}, pages = { 437-438}, language = {en}, url = {http://dml.mathdoc.fr/item/1183734587} }
Standley, Gerald B. Two Arithmetical Techniques with Numbered Classes. J. Symbolic Logic, Tome 27 (1962) no. 1, pp. 437-438. http://gdmltest.u-ga.fr/item/1183734587/