@article{Allaoui_2017,
title={Fuzzy α−semigroups of operators},
volume={2},
ISSN={2519-9277},
url={http://dx.doi.org/10.31559/glm2016.2.2.2},
DOI={10.31559/glm2016.2.2.2},
number={2},
journal={General Letters in Mathematics},
publisher={Refaad for Studies and Research},
author={Allaoui,
A. El and Melliani,
S. and Chadli,
L. S.},
year={2017},
month=apr }