@article{1093887543, author = {Gonshor, Harry}, title = {Effective density types.}, journal = {Notre Dame J. Formal Logic}, volume = {17}, number = {1}, year = {1976}, pages = { 303-307}, language = {en}, url = {http://dml.mathdoc.fr/item/1093887543} }
Gonshor, Harry. Effective density types.. Notre Dame J. Formal Logic, Tome 17 (1976) no. 1, pp. 303-307. http://gdmltest.u-ga.fr/item/1093887543/