@article{MZ_1926__25_167883,
     author = {P. Bernays},
     title = {Axiomatische {Untersuchung} des {Aussagen-Kalk\"uls} der },
     journal = {Mathematische Zeitschrift},
     pages = {305--320},
     publisher = {mathdoc},
     volume = {25},
     year = {1926},
     zbl = {52.0049.01},
     url = {http://geodesic.mathdoc.fr/item/MZ_1926__25_167883/}
}