TY - JOUR AU - S.L. MEHNDIRATTA TI - Symmetry and Self-duality in Nonlinear Programming. JO - Numerische Mathematik PY - 1967 SP - 103 EP - 109 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/NUMA_1967__10_131772/ ID - NUMA_1967__10_131772 ER -