@article{1183745151, author = {Sher, G. Y.}, title = {Review: D. M. Gabbay, What is a Logical System?}, journal = {J. Symbolic Logic}, volume = {61}, number = {1}, year = {1996}, pages = { 1396-1400}, language = {en}, url = {http://dml.mathdoc.fr/item/1183745151} }
Sher, G. Y. Review: D. M. Gabbay, What is a Logical System?. J. Symbolic Logic, Tome 61 (1996) no. 1, pp. 1396-1400. http://gdmltest.u-ga.fr/item/1183745151/