@misc
{TN_libero_mab2,
author = {
Ferrario, Davide L.
},
title = {
On the equivariant Hopf theorem
},
publisher = {Elsevier BV},
isbn = {0040-9383},
keywords = {
Geometry and Topology
},
year = {2003},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}