@article{NUMA_1967__10_131772,
     author = {S.L. MEHNDIRATTA},
     title = {Symmetry and {Self-duality} in {Nonlinear} {Programming.}},
     journal = {Numerische Mathematik},
     pages = {103--109},
     publisher = {mathdoc},
     volume = {10},
     year = {1967},
     zbl = {0162.23104},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1967__10_131772/}
}