@article{GDZPPN001261231,
title = {Endomorphic actions of \ss N on the torus group.},
journal = {Semigroup forum},
volume = {43},
year = {1991},
pages = {202-217},
zbl = {0739.22005},
url = {http://dml.mathdoc.fr/item/GDZPPN001261231}
}
Ruppert, W.A.F. Endomorphic actions of ßN on the torus group.. Semigroup forum, Tome 43 (1991) pp. 202-217. http://gdmltest.u-ga.fr/item/GDZPPN001261231/