00694naa#a2200193#i#450# EN\INFRA-M\bibl\45426 20240723064757.2 2500-3313 20210728b2021####ek#y0engy0150####ca RU Development of the principles of systems analysis as a methodological basis for the development and application of its methods Journal article Moscow INFRA-M Academic Publishing LLC. 2021 10 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 Tebekin A. V. Tebekin P. A. Egorova A. A. naukaru.ru