@article{1183733584, author = {Frayne, Thomas}, title = {Review: G. Hasenjaeger, On Definability and Derivability}, journal = {J. Symbolic Logic}, volume = {24}, number = {1}, year = {1959}, pages = { 171-172}, language = {en}, url = {http://dml.mathdoc.fr/item/1183733584} }
Frayne, Thomas. Review: G. Hasenjaeger, On Definability and Derivability. J. Symbolic Logic, Tome 24 (1959) no. 1, pp. 171-172. http://gdmltest.u-ga.fr/item/1183733584/