@article{1183730813,
author = {Wang, Hao},
title = {A Formal System of Logic},
journal = {J. Symbolic Logic},
volume = {14},
number = {4},
year = {1950},
pages = { 25-32},
language = {en},
url = {http://dml.mathdoc.fr/item/1183730813}
}
Wang, Hao. A Formal System of Logic. J. Symbolic Logic, Tome 14 (1950) no. 4, pp. 25-32. http://gdmltest.u-ga.fr/item/1183730813/