@article{1093888413, author = {Staples, John}, title = {Truth in constructive metamathematics.}, journal = {Notre Dame J. Formal Logic}, volume = {19}, number = {1}, year = {1978}, pages = { 489-494}, language = {en}, url = {http://dml.mathdoc.fr/item/1093888413} }
Staples, John. Truth in constructive metamathematics.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp. 489-494. http://gdmltest.u-ga.fr/item/1093888413/