TY JOUR TI POSSIBILITIES OF THE GROUP METHOD OF DATA HANDLING IN PROBLEMS OF FORECASTING OF SAFETY OF CHEMICAL PRODUCTIONS KW safety of chemical productions KW mathematical model KW group method of data handling KW forecasting JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Kalinina, E.S. PY 2016 IS 2016 PB Saint-Petersburg University of State Fire Service of Emercom of Russia