TY JOUR TI THE SOLUTION OF AUXILIARY PROBLEMS DIAGNOSING LEAKS TO ENSURE THE SAFE OPERATION OF PIPELINE WATER SYSTEMS KW Diagnosis KW siphoning selection KW hydraulic systems KW mathematical modeling JO Modeling of systems and processes AU Sazonova, S.. PY 2015 IS 8 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov