@article{GDZPPN002345676, title = {Models of Propositional Calculi in Recursive Arithmetic.}, journal = {Mathematica Scandinavica}, volume = {6}, year = {1958}, pages = {293-296}, zbl = {0088.01001}, url = {http://dml.mathdoc.fr/item/GDZPPN002345676} }
Goodstein, R.L. Models of Propositional Calculi in Recursive Arithmetic.. Mathematica Scandinavica, Tome 6 (1958) pp. 293-296. http://gdmltest.u-ga.fr/item/GDZPPN002345676/