@article{DUR?GUN2016_209056,
author={Yılmaz DUR?GUN and Engin BÜYÜKAŞIK and Rafail ALİZADE},
title={Small supplements, weak supplements and proper classes},
year={2016},
journal={Hacettepe Journal of Mathematics and Statistics},
issn={1303-5010},
volume={45},
number={3},
url={http://search/yayin/detay/209056}
}