@article{01667719,
title = {The Tutte group of projective spaces.},
journal = {S\'eminaire Lotharingien de Combinatoire [electronic only]},
volume = {21},
year = {1989},
zbl = {0981.05519},
language = {en},
url = {http://dml.mathdoc.fr/item/01667719}
}
Dress, Andreas; Wenzel, Walter. The Tutte group of projective spaces.. Séminaire Lotharingien de Combinatoire [electronic only], Tome 21 (1989) . http://gdmltest.u-ga.fr/item/01667719/