@article{MTA_2023_8_2_a3,
     author = {Lucio Boccardo and Pasquale Imparato and Luigi Orsina},
     title = {Saddle points of some integral functionals and solutions of elliptic systems},
     journal = {Minimax theory and its applications},
     year = {2023},
     volume = {8},
     number = {2},
     zbl = {1529.35186},
     url = {http://geodesic.mathdoc.fr/item/MTA_2023_8_2_a3/}
}