@第{zbMATH07281244条，作者={Salakhudinov，Rustem Gumerovich}，Title={水平集上函数的某些属性}，FJournal={Ufimski{\u{\i}}Matematicheski{\u}}Zhurnal}，日志={Ufim.Mat.Zh.}，ISSN={2074-1863}，体积={11}，数字={2}，Pages＝{118-129}，年份={2019}，语言={俄语}，DOI={10.13108/2019-11-2-114}，关键词={28A75,35A23,49Q20}，zbMATH={7281244}，Zbl={1463.28006}}