Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Satoshi Takahashi and Hirofumi Mizuno,An Envy-free Pricing Algorithm for Multi Item Market with Covering Constraints,2019 8th International Congress on Advanced Applied Informatics (IIAI-AAI),,IEEE,2019-07-01,,,746-749,https://cir.nii.ac.jp/crid/1870865118062182912,https://doi.org/10.1109/iiai-aai.2019.00153