@article{IM_1984__75_143093, author = {M. Wodzicki}, title = {Local invariants of spectral asymmetry.}, journal = {Inventiones mathematicae}, pages = {143--178}, publisher = {mathdoc}, volume = {75}, year = {1984}, zbl = {0538.58038}, url = {http://geodesic.mathdoc.fr/item/IM_1984__75_143093/} }