TY JOUR TI RESEARCH OF POLYMERIC COMPOSITE MATERIALS BY METHOD OF THE FRACTAL ANALYSIS KW polymeric composite materials KW heat conduction KW theory of a percolation KW fractals JO Problems of risk management in the technosphere AU Abdulaliev, F.A. AU Belshina, Y.N. PY 2015 IS 2015 PB Saint-Petersburg University of State Fire Service of Emercom of Russia