@article{01560801,
title = {The Ekeland's variational principle for vector-valued multifunctions.},
journal = {APPS. Applied Sciences},
volume = {2},
year = {2000},
pages = {56-60},
zbl = {0969.32002},
language = {en},
url = {http://dml.mathdoc.fr/item/01560801}
}
Rozoveanu, P. The Ekeland's variational principle for vector-valued multifunctions.. APPS. Applied Sciences, Tome 2 (2000) pp. 56-60. http://gdmltest.u-ga.fr/item/01560801/