%0 Journal Article %T The estimation of fuzzy boundary of multioperational machine tool life %A SHuchyev, K.. %A Terekhov , D.. %A Izyumov, A.. %A Tugengold, A.. %K multioperational machine, tool state monitoring, knowledge system, the management of tool software, fuzzy boundary resistance %J Vestnik of Don State Technical University %D 2015 %N 15 %P 8 %I Don state technical University