@article{1106.4761,
author = {Harris, Simon C. and Roberts, Matthew I.},
title = {The many-to-few lemma and multiple spines},
journal = {arXiv},
volume = {2011},
number = {0},
year = {2011},
language = {en},
url = {http://dml.mathdoc.fr/item/1106.4761}
}
Harris, Simon C.; Roberts, Matthew I. The many-to-few lemma and multiple spines. arXiv, Tome 2011 (2011) no. 0, . http://gdmltest.u-ga.fr/item/1106.4761/