@文章{zbMATH03639553，作者={Simmons，Gustavus J.}，标题={密码学：{安全通信数学}，FJournal={数学智能}，日志={数学智能}，ISSN＝{0343-6993}，体积={1}，页码={233--246}，年份={1979}，语言={英语}，DOI={10.1007/BF03028244}，关键词={94A60.94A05,94A15,94-02,94-03,68P25,91A80,93E12}，zbMATH={3639553}，Zbl={0411.94009}}