@article{1183730981, author = {Vaughan, H. E.}, title = {Review: Paul Lorenzen, Einfuhrung in die Logik}, journal = {J. Symbolic Logic}, volume = {14}, number = {4}, year = {1950}, pages = { 227-228}, language = {en}, url = {http://dml.mathdoc.fr/item/1183730981} }
Vaughan, H. E. Review: Paul Lorenzen, Einfuhrung in die Logik. J. Symbolic Logic, Tome 14 (1950) no. 4, pp. 227-228. http://gdmltest.u-ga.fr/item/1183730981/