@article{AIF_1997__47_5_1379_0,
     author = {Loday-Richaud, Mich\`ele and Pourcin, Genevi\`eve},
     title = {On index theorems for linear ordinary differential operators},
     journal = {Annales de l'Institut Fourier},
     pages = {1379--1424},
     publisher = {Association des Annales de l{\textquoteright}institut Fourier},
     volume = {47},
     number = {5},
     year = {1997},
     doi = {10.5802/aif.1604},
     mrnumber = {99g:34022},
     zbl = {0901.34012},
     language = {en},
     url = {http://www.numdam.org/articles/10.5802/aif.1604/}
}