@misc
{TN_libero_mab2,
author = {
Schirmer, Helga
},
title = {
Fix-finite approximation of n-valued multifunctions
},
publisher = {Institute of Mathematics, Polish Academy of Sciences},
isbn = {1730-6329},
isbn = {0016-2736},
keywords = {
Algebra and Number Theory
},
year = {1984},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}