@misc
{TN_libero_mab2,
author = {
Hohenberg, Fritz
},
title = {
Die Doppeltangenten und Haupttangenten des Torus
},
publisher = {Springer Science and Business Media LLC},
isbn = {0026-9255},
isbn = {1436-5081},
keywords = {
General Mathematics
},
year = {1970},
}