@第{zbMATH04023582条，作者={Ponizovskij，J.S.}，标题={半群环}，FJournal＝{半群论坛}，Journal={半群论坛}，ISSN={0037-1912}，体积={36}，页码={1--46}，年份={1987}，语言={英语}，DOI={10.1007/BF02575003}，关键词={20M25,20-02}，zbMATH={4023582}，Zbl={0629.20039}}