@article{AIF_2004__54_5_1197_0,
     author = {Leichtnam, \'Eric and Piazza, Paolo},
     title = {Elliptic operators and higher signatures},
     journal = {Annales de l'Institut Fourier},
     pages = {1197--1277},
     year = {2004},
     publisher = {Association des Annales de l'Institut Fourier},
     volume = {54},
     number = {5},
     doi = {10.5802/aif.2049},
     mrnumber = {2127848},
     zbl = {1069.58014},
     language = {en},
     url = {https://www.numdam.org/articles/10.5802/aif.2049/}
}