@article{10_1090_S0894_0347_1991_1088332_0, author = {Dai, Xianzhe}, title = {Adiabatic limits, nonmultiplicativity of signature, and {Leray} spectral sequence}, journal = {Journal of the American Mathematical Society}, pages = {265--321}, publisher = {mathdoc}, volume = {04}, number = {2}, year = {1991}, doi = {10.1090/S0894-0347-1991-1088332-0}, url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1088332-0/} }