@article{bwmeta1.element.bwnjournal-article-fmv121i1p17bwm,
author = {Helga Schirmer},
title = {Fix-finite approximation of n-valued multifunctions},
journal = {Fundamenta Mathematicae},
volume = {123},
year = {1984},
pages = {73-80},
zbl = {0537.55005},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv121i1p17bwm}
}
Schirmer, Helga. Fix-finite approximation of n-valued multifunctions. Fundamenta Mathematicae, Tome 123 (1984) pp. 73-80. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv121i1p17bwm/