LUBNINA, Elena; KOCHETOV, Yury. VNS Algorithm for the Periodic Pick-Up and Delivery Helicopter Routing Problem in Oil and Gas Offshore. Yugoslav Journal of Operations Research, [S.l.], v. 34, n. 3, p. 407-421, oct. 2024. ISSN 2334-6043. Available at: <https://yujor.fon.bg.ac.rs/index.php/yujor/article/view/1297>. Date accessed: 09 jan. 2025. doi: https://doi.org/10.2298/YJOR220915040L.