@article{GDZPPN001169092,
title = {Some Representation Theorems for Functions and Sets and their Application to Nonlinear Programming.},
journal = {Numerische Mathematik},
volume = {15},
year = {1970},
pages = {32-51},
zbl = {0217.27602},
url = {http://dml.mathdoc.fr/item/GDZPPN001169092}
}
BITTNER, L. Some Representation Theorems for Functions and Sets and their Application to Nonlinear Programming.. Numerische Mathematik, Tome 15 (1970) pp. 32-51. http://gdmltest.u-ga.fr/item/GDZPPN001169092/