@article{GDZPPN002239876,
title = {Homotopy uniqueness of BG2.},
journal = {Manuscripta mathematica},
volume = {95},
year = {1998},
pages = {471-498},
zbl = {0908.55009},
url = {http://dml.mathdoc.fr/item/GDZPPN002239876}
}
Viruel, Antonio. Homotopy uniqueness of BG2.. Manuscripta mathematica, Tome 95 (1998) pp. 471-498. http://gdmltest.u-ga.fr/item/GDZPPN002239876/