@article{TSG_1995-1996__14__9_0,
     author = {Savo, Alessandro},
     title = {A method of symmetrization ; {Applications} to heat and spectral estimates},
     journal = {S\'eminaire de th\'eorie spectrale et g\'eom\'etrie},
     pages = {9--24},
     publisher = {Institut Fourier},
     address = {Grenoble},
     volume = {14},
     year = {1995-1996},
     mrnumber = {1721300},
     zbl = {0872.58064},
     language = {en},
     url = {http://archive.numdam.org/item/TSG_1995-1996__14__9_0/}
}