@article{oai:kitami-it.repo.nii.ac.jp:00006386,
author = {ISOBE, Kiro},
issue = {1},
journal = {北見工業大学研究報告},
month = {Nov},
note = {application/pdf, Let G be a partially ordered abelian group and generated by G^＋.For two convex subgroups H and K of G，looking at the question generally we cannot obtain that H＋K is convex. We show some examples in such a case and we investigate into the case that H＋K is convex.},
pages = {197--199},
title = {Note on Convex Subgroups of Partially Ordered Abelian Groups},
volume = {7},
year = {1975}
}