@article{1093887532, author = {Thomas, William J.}, title = {Consistency of $n$-order logics.}, journal = {Notre Dame J. Formal Logic}, volume = {17}, number = {1}, year = {1976}, pages = { 257-262}, language = {en}, url = {http://dml.mathdoc.fr/item/1093887532} }
Thomas, William J. Consistency of $n$-order logics.. Notre Dame J. Formal Logic, Tome 17 (1976) no. 1, pp. 257-262. http://gdmltest.u-ga.fr/item/1093887532/