@article{1195524352,
author = {Matsushima, Yatar\=o},
title = {On extreme elements in lattices},
journal = {Proc. Japan Acad.},
volume = {35},
number = {10},
year = {1959},
pages = { 226-231},
language = {en},
url = {http://dml.mathdoc.fr/item/1195524352}
}
Matsushima, Yatarō. On extreme elements in lattices. Proc. Japan Acad., Tome 35 (1959) no. 10, pp. 226-231. http://gdmltest.u-ga.fr/item/1195524352/