@article{bwmeta1.element.bwnjournal-article-fmv126i1p7bwm,
author = {Helga Schirmer},
title = {A minimum theorem for n-valued multifunctions},
journal = {Fundamenta Mathematicae},
volume = {125},
year = {1985},
pages = {83-92},
zbl = {0609.55001},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv126i1p7bwm}
}
Schirmer, Helga. A minimum theorem for n-valued multifunctions. Fundamenta Mathematicae, Tome 125 (1985) pp. 83-92. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv126i1p7bwm/