00745naa#a2200217#i#450# EN\\bibl\24382 /en/manage/index 20250820193100.3 2223-4608 20190118b2019####ek#y0engy0150####ca RUS RU Engineering computation of fiber laser focusing system Journal article Bryansk Bryansk State Technical University 2019 3 с. Journal article local Инженерное дело. Техника в целом. Транспорт. 62 RUS Bogdanov Aleksandr Vladimirovich Vasiltsov Viktor Vladimirovich Golubenko Yuriy Vladimirovich test.editorum.ru /en/manage/index