@article{TSG_1992-1993__11__9_0,
     author = {Colin de Verdi\`ere, Yves and Torki, Nabila},
     title = {Op\'erateur de {Schr\"odinger} avec champ magn\'etique},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {9--18},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {11},
     year = {1992-1993},
     mrnumber = {1715941},
     zbl = {0937.35510},
     language = {fr},
     url = {http://archive.numdam.org/item/TSG_1992-1993__11__9_0/}
}