THEORY OF SYNERGETIC INTERACTION OF ELEMENTS IN SAFETY SYSTEMS OF HAZARDOUS PRODUCTION FACILITIES IN THE CONTEXT OF MULTIFUNCTIONAL SAFETY SYSTEMS OF COAL MINES AND MULTIFUNCTIONAL LIFE SUPPORT SYSTEMS IN CASE OF ACCIDENTS Journal title: Вестник научного центра по безопасности работ в угольной промышленности Authors: A.S. Yarosh Subject(s):