@article{1183386741, author = {Langford, C. H.}, title = {Review: K. Reach, What is a Language?}, journal = {J. Symbolic Logic}, volume = {4}, number = {1}, year = {1939}, language = {en}, url = {http://dml.mathdoc.fr/item/1183386741} }
Langford, C. H. Review: K. Reach, What is a Language?. J. Symbolic Logic, Tome 4 (1939) no. 1, . http://gdmltest.u-ga.fr/item/1183386741/