[1]
Pulov, D. and Tsvyatkov, P. 2024. OPTICAL SYSTEMS FOR REDUCING THE DIVERGENCE OF LASER BEAMS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference. 3, (Jan. 2024), 339–343. DOI:https://doi.org/10.17770/etr2023vol3.7217.