@article{1183732323, author = {Ackermann, Wilhelm}, title = {Review: Jerzy Slupecki, Uber die Regeln des Aussagenkalkuls}, journal = {J. Symbolic Logic}, volume = {21}, number = {1}, year = {1956}, pages = { 87-88}, language = {en}, url = {http://dml.mathdoc.fr/item/1183732323} }
Ackermann, Wilhelm. Review: Jerzy Slupecki, Uber die Regeln des Aussagenkalkuls. J. Symbolic Logic, Tome 21 (1956) no. 1, pp. 87-88. http://gdmltest.u-ga.fr/item/1183732323/