@article{1183744320, author = {Visser, Albert}, title = {Review: R. R. Rockingham Gill, Deducibility and Decidability}, journal = {J. Symbolic Logic}, volume = {58}, number = {1}, year = {1993}, pages = { 1080-1082}, language = {en}, url = {http://dml.mathdoc.fr/item/1183744320} }
Visser, Albert. Review: R. R. Rockingham Gill, Deducibility and Decidability. J. Symbolic Logic, Tome 58 (1993) no. 1, pp. 1080-1082. http://gdmltest.u-ga.fr/item/1183744320/