@article{RO_2017__51_3_819_0,
     author = {Lalitha, C. S. and Dhingra, Mansi},
     title = {Approximate {Lagrangian} duality and saddle point optimality in set optimization},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {819--831},
     year = {2017},
     publisher = {EDP Sciences},
     volume = {51},
     number = {3},
     doi = {10.1051/ro/2016068},
     mrnumber = {3880527},
     zbl = {1393.49013},
     language = {en},
     url = {https://www.numdam.org/articles/10.1051/ro/2016068/}
}