TY JOUR TI ON THE FEATURES OF THE SPREAD OF COMBUSTION PRODUCTS IN FIRES AT OUTDATED SPORTS FACILITIES KW JO Siberian Fire and Rescue Bulletin AU Sedov, D.V. AU Rozhkov, D.M. AU Nesmeyanov, A.A. AU Belyak, A.L. PY 2025 IS 2025 PB FSBEE HE Siberian Fire and Rescue Academy EMERCOM of Russia