@article{1183420012,
author = {Hoskins, L. M.},
title = {A general diagrammatic method of representing propositions and inference in the logic of classes},
journal = {Bull. Amer. Math. Soc.},
volume = {15},
number = {3},
year = {1908},
pages = { 84-85},
language = {en},
url = {http://dml.mathdoc.fr/item/1183420012}
}
Hoskins, L. M. A general diagrammatic method of representing propositions and inference in the logic of classes. Bull. Amer. Math. Soc., Tome 15 (1908) no. 3, pp. 84-85. http://gdmltest.u-ga.fr/item/1183420012/