@article{1183740568, author = {Leivant, Daniel}, title = {Innocuous Substitutions}, journal = {J. Symbolic Logic}, volume = {45}, number = {1}, year = {1980}, pages = { 363-368}, language = {en}, url = {http://dml.mathdoc.fr/item/1183740568} }
Leivant, Daniel. Innocuous Substitutions. J. Symbolic Logic, Tome 45 (1980) no. 1, pp. 363-368. http://gdmltest.u-ga.fr/item/1183740568/