Authors: ChekurinV., Prytula M., Khymko O. A two-level model for the structure of a natural gas transmission system has been built with the use of methods of set and graph theories. The model is intended for development of software for automation of management by the system. gas transmission systemautomation of managementsoftware complexesmodel of configurationconfiguration graphdata structurehttps://science.lpnu.ua/sites/default/files/journal-paper/2017/may/2386/chekurinprytulamathmodgts.pdf