@article{1093890710,
author = {Cresswell, Max J.},
title = {The completeness of $S1$ and some related systems.},
journal = {Notre Dame J. Formal Logic},
volume = {13},
number = {3},
year = {1972},
pages = { 485-496},
language = {en},
url = {http://dml.mathdoc.fr/item/1093890710}
}
Cresswell, Max J. The completeness of $S1$ and some related systems.. Notre Dame J. Formal Logic, Tome 13 (1972) no. 3, pp. 485-496. http://gdmltest.u-ga.fr/item/1093890710/