@第{zbMATH05176647条，作者={Precupanu，T.和Apetrii，M.}，标题={About{{\（\epsilon\）}}-运算符}的单调性，FJournal={Analele{\textcommabelow{S}}tiin{\textcommabelow}}ifice ale University{\u{a}}{\textcomabelow[t}}ii Al.I.Cuza din Ia{\textommabelow{S}}I.新品系{\u}a}}。Matematic{\u{a}}，日志={An.{\textcommabelow{S}}tiin{\textcommabelow}。Al.I.Cuza Ia大学。名词{\u{a}}，材料}，ISSN={1221-8421}，体积={52}，数字={1}，页码={81--94}，年份={2006}，语言={英语}，关键词={47H05,49J52}，zbMATH={5176647}，Zbl={1174.47355}}