@ARTICLE{
author={Stefanovic Nedeljko},
year={2023},
title={Alternatives to the Halpern-Lauchli theorem},
journal={ANNALS OF PURE AND APPLIED LOGIC},
volume={174},
number={9},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Stefanovic Nedeljko,Milosevic Milos},
year={2010},
title={A very simple proof of Pascal's hexagon theorem and some applications},
journal={PROCEEDINGS OF THE INDIAN ACADEMY OF SCIENCES-MATHEMATICAL SCIENCES},
volume={120},
number={5},
pages={619-629},
document_type={Article},
}