@article{1195524485,
author = {Yamada, Miyuki},
title = {Note on idempotent semigroups, V. Implications of two variables},
journal = {Proc. Japan Acad.},
volume = {34},
number = {10},
year = {1958},
pages = { 668-671},
language = {en},
url = {http://dml.mathdoc.fr/item/1195524485}
}
Yamada, Miyuki. Note on idempotent semigroups, V. Implications of two variables. Proc. Japan Acad., Tome 34 (1958) no. 10, pp. 668-671. http://gdmltest.u-ga.fr/item/1195524485/