@article{1183735105,
author = {Anderson, Daniel E. and Cleaver, Frank L.},
title = {Venn-Type Diagrams for Arguments of N Terms},
journal = {J. Symbolic Logic},
volume = {30},
number = {1},
year = {1965},
pages = { 113-118},
language = {en},
url = {http://dml.mathdoc.fr/item/1183735105}
}
Anderson, Daniel E.; Cleaver, Frank L. Venn-Type Diagrams for Arguments of N Terms. J. Symbolic Logic, Tome 30 (1965) no. 1, pp. 113-118. http://gdmltest.u-ga.fr/item/1183735105/