@article{TSG_1990-1991__9__9_0,
     author = {Nadirashvili, Nikolai S.},
     title = {Some topics in spectral geometry},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {9--12},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {9},
     year = {1990-1991},
     mrnumber = {1715927},
     zbl = {0739.58065},
     language = {en},
     url = {http://www.numdam.org/item/TSG_1990-1991__9__9_0/}
}