@article{YJOR_2024_34_3_a1, author = {Elena Lubnina and Yury Kochetov}, title = {VNS {Algorithm} for the {Periodic} {Pick-Up} and {Delivery} {Helicopter} {Routing} {Problem} in {Oil} and {Gas} {Offshore}}, journal = {Yugoslav journal of operations research}, pages = {407 }, publisher = {mathdoc}, volume = {34}, number = {3}, year = {2024}, language = {en}, url = {http://geodesic.mathdoc.fr/item/YJOR_2024_34_3_a1/} }