@article{1093957982, author = {Thomas, Ivo}, title = {Decision procedures for ${\rm S}2^0$ and ${\rm T}^0$.}, journal = {Notre Dame J. Formal Logic}, volume = {5}, number = {1}, year = {1964}, pages = { 319-320}, language = {en}, url = {http://dml.mathdoc.fr/item/1093957982} }
Thomas, Ivo. Decision procedures for ${\rm S}2^0$ and ${\rm T}^0$.. Notre Dame J. Formal Logic, Tome 5 (1964) no. 1, pp. 319-320. http://gdmltest.u-ga.fr/item/1093957982/