Гусарова, Ирина Григорьевна, and Юлия Владимировна Боярская. 2010. “Classes of Tasks of Mathematical Modelling and the Numerical Analysis of Unstationary Non-Isothermal Operating Modes of Gas-Transport System and Methods of Their Decision”. Eastern-European Journal of Enterprise Technologies 3 (6(45):26-33. https://doi.org/10.15587/1729-4061.2010.2845.