TY JOUR TI DEVELOPMENT OF A SOFTWARE PRODUCT FOR ACCOUNTING FOR THE HETEROGENEITY OF THE DISTRIBUTION OF IGNITION SOURCES OF A FUEL-AIR MIXTURE CLOUD KW explosion KW fuel-air mixture KW dangerous goods KW road transport KW ignition sources JO MONITORING AND EXPERTISE IN SAFETY SYSTEM AU Usatenko, I.G. AU Byzov, A.P. PY 2023 IS 2023 PB Saint-Petersburg University of State Fire Service of Emercom of Russia