@article{1183745629, author = {Kohlenbach, Ulrich}, title = {Relative Constructivity}, journal = {J. Symbolic Logic}, volume = {63}, number = {1}, year = {1998}, pages = { 1218-1238}, language = {en}, url = {http://dml.mathdoc.fr/item/1183745629} }
Kohlenbach, Ulrich. Relative Constructivity. J. Symbolic Logic, Tome 63 (1998) no. 1, pp. 1218-1238. http://gdmltest.u-ga.fr/item/1183745629/