@article{1183736852, author = {Horn, Alfred}, title = {Logic with Truth Values in a Linearly Ordered Heyting Algebra}, journal = {J. Symbolic Logic}, volume = {34}, number = {1}, year = {1969}, pages = { 395-408}, language = {en}, url = {http://dml.mathdoc.fr/item/1183736852} }
Horn, Alfred. Logic with Truth Values in a Linearly Ordered Heyting Algebra. J. Symbolic Logic, Tome 34 (1969) no. 1, pp. 395-408. http://gdmltest.u-ga.fr/item/1183736852/