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@article{IM_1991__104_1_143886, author = {James L. Heitsch and Connor Lazarov}, title = {Homotopy invariance of foliation {Betti} numbers.}, journal = {Inventiones mathematicae}, pages = {321--348}, publisher = {mathdoc}, volume = {104}, number = {1}, year = {1991}, zbl = {0756.46040}, url = {http://geodesic.mathdoc.fr/item/IM_1991__104_1_143886/} }
James L. Heitsch; Connor Lazarov. Homotopy invariance of foliation Betti numbers.. Inventiones mathematicae, Tome 104 (1991) no. 1, pp. 321-348. http://geodesic.mathdoc.fr/item/IM_1991__104_1_143886/