@article{GDZPPN001166654,
title = {Symmetry and Self-duality in Nonlinear Programming.},
journal = {Numerische Mathematik},
volume = {10},
year = {1967},
pages = {103-109},
zbl = {0162.23104},
url = {http://dml.mathdoc.fr/item/GDZPPN001166654}
}
MEHNDIRATTA, S.L. Symmetry and Self-duality in Nonlinear Programming.. Numerische Mathematik, Tome 10 (1967) pp. 103-109. http://gdmltest.u-ga.fr/item/GDZPPN001166654/