@article{GDZPPN00234145X,
title = {Real Grassmann polylogarithms and Chern classes.},
journal = {Mathematische Annalen},
volume = {305},
year = {1996},
pages = {157-202},
zbl = {0882.19003},
url = {http://dml.mathdoc.fr/item/GDZPPN00234145X}
}
Hain, Richard M.; Jun, Yang. Real Grassmann polylogarithms and Chern classes.. Mathematische Annalen, Tome 305 (1996) pp. 157-202. http://gdmltest.u-ga.fr/item/GDZPPN00234145X/