@article{MS2_1964__14_165876,
     author = {R.T. Rockafellar},
     title = {Minimax {Theorems} and {Conjugate} {Saddle-Functions.}},
     journal = {Mathematica Scandinavica},
     pages = {151--173},
     publisher = {mathdoc},
     volume = {14},
     year = {1964},
     zbl = {0127.28309},
     url = {http://geodesic.mathdoc.fr/item/MS2_1964__14_165876/}
}