00491naa#a2200157#i#450# EN\\bibl\34158 20240428073501.7 2686-777X 20191211b2019####ek#y0engy0150####ca RU Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2019 0 с. Journal article local Bychkova Gul'fira Mubarakovna angtu.editorum.ru