TY JOUR TI CHECK OF THE DISTRIBUTION LAW OF SERVICE TIME IN THE QUEUING SYSTEM KW queuing system KW radiation KW chemical and biological protection KW service time KW distribution law KW checking JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Kamenetskaya, N.V. AU Medvedeva, O.M. AU Khitov, S.B. AU Koshelev, V.A. PY 2017 IS 2017 PB Saint-Petersburg University of State Fire Service of Emercom of Russia