@article{1183732823, author = {Craig, William}, title = {Linear Reasoning. A New Form of the Herbrand-Gentzen Theorem}, journal = {J. Symbolic Logic}, volume = {22}, number = {1}, year = {1957}, pages = { 250-268}, language = {en}, url = {http://dml.mathdoc.fr/item/1183732823} }
Craig, William. Linear Reasoning. A New Form of the Herbrand-Gentzen Theorem. J. Symbolic Logic, Tome 22 (1957) no. 1, pp. 250-268. http://gdmltest.u-ga.fr/item/1183732823/