@article{1200779725,
author = {Nobusawa, Nobuo},
title = {Jordan-H\"older theorem for pseudosymmetric sets},
journal = {Osaka J. Math.},
volume = {23},
number = {1},
year = {1986},
pages = { 853-858},
language = {en},
url = {http://dml.mathdoc.fr/item/1200779725}
}
Nobusawa, Nobuo. Jordan-Hölder theorem for pseudosymmetric sets. Osaka J. Math., Tome 23 (1986) no. 1, pp. 853-858. http://gdmltest.u-ga.fr/item/1200779725/