@article{GDZPPN00210850X,
title = {Homotopy invariance of foliation Betti numbers.},
journal = {Inventiones mathematicae},
volume = {104},
year = {1991},
pages = {321-348},
zbl = {0756.46040},
url = {http://dml.mathdoc.fr/item/GDZPPN00210850X}
}
Heitsch, James L.; Lazarov, Connor. Homotopy invariance of foliation Betti numbers.. Inventiones mathematicae, Tome 104 (1991) pp. 321-348. http://gdmltest.u-ga.fr/item/GDZPPN00210850X/