@article{1200690176,
author = {Ohnishi, Masao},
title = {Von Wright-Anderson's decision procedures for Lewis's systems $S2$\aa nd $S3$},
journal = {Osaka Math. J.},
volume = {13},
number = {1},
year = {1961},
pages = { 139-142},
language = {en},
url = {http://dml.mathdoc.fr/item/1200690176}
}
Ohnishi, Masao. Von Wright-Anderson's decision procedures for Lewis's systems $S2$ånd $S3$. Osaka Math. J., Tome 13 (1961) no. 1, pp. 139-142. http://gdmltest.u-ga.fr/item/1200690176/