Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ilker Bayram,Penalty Functions Derived From Monotone Mappings,IEEE Signal Processing Letters,1070-9908,Institute of Electrical and Electronics Engineers (IEEE),2015-03,22,3,265-269,https://cir.nii.ac.jp/crid/1363388845085131904,https://doi.org/10.1109/lsp.2014.2357681