@article{1183737092, author = {Hassett, Matthew J.}, title = {Review: Joseph Barback, Regressive Upper Bounds}, journal = {J. Symbolic Logic}, volume = {35}, number = {1}, year = {1970}, pages = { 156-157}, language = {en}, url = {http://dml.mathdoc.fr/item/1183737092} }
Hassett, Matthew J. Review: Joseph Barback, Regressive Upper Bounds. J. Symbolic Logic, Tome 35 (1970) no. 1, pp. 156-157. http://gdmltest.u-ga.fr/item/1183737092/