@article{GDZPPN002415879,
title = {Higher Torsion in SG and BSG.},
journal = {Mathematische Zeitschrift},
volume = {142},
year = {1975},
pages = {55-80},
zbl = {0322.55030},
url = {http://dml.mathdoc.fr/item/GDZPPN002415879}
}
Madsen, Ib. Higher Torsion in SG and BSG.. Mathematische Zeitschrift, Tome 142 (1975) pp. 55-80. http://gdmltest.u-ga.fr/item/GDZPPN002415879/