@ORAL{CH_EUSIPCO17,਍ഀ author = {Han Cheng and Chenglin Li and Hongkai Xiong and P. Frossard},਍ഀ conference = {European Signal Processing Conference (EUSIPCO 2017)},਍ഀ title = {Optimal Decentralized Coded Caching for Heterogeneous Files},਍ഀ date = {28 Aug.- 2 Sept. 2017},਍ഀ pages = {2531-2535},਍ഀ location = {Kos, Greece}, ਍ഀ DOI:10.23919/EUSIPCO.2017.8081667਍ഀ }਍ഀ ਍ഀ