TY JOUR TI THE RANDOM SEARCH METHOD IN THE SOLUTION OF THE OPTIMIZATION PROBLEM OF SYNTHESIS OF VIBRATION ISOLATION SYSTEMS KW layout diagram KW vibration isolation system KW vertical and angular oscillations KW partial coefficients of frequencies JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Ivanov, K.S. AU Shirokhov, A.V. PY 2018 IS 2018 PB Saint-Petersburg University of State Fire Service of Emercom of Russia