%0 Journal Article %T JUSTIFICATION THE DIMENSION OF THE COMPLEX INDICATOR OF A TECHNOLOGICAL LEVEL AND ITS GRAPHICAL REPRESENTATION %A Skripnik, I.L. %A Voronin, S.V. %K approximation, hypersurface, composite index technical level %J NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) %D 2017 %N 2017 %P 4 %I Saint-Petersburg University of State Fire Service of Emercom of Russia