Тевяшев, А. Д., И. Г. Гусарова, and А. В. Каминская. “The Method for Identifying Emergency Section Considering the Model of Nonstationary Modes of the Gas-Transport System”. Eastern-European Journal of Enterprise Technologies, vol. 1, no. 3(55), Feb. 2012, pp. 38-46, doi:10.15587/1729-4061.2012.3299.