@article{IM_1990__102_2_143833,
     author = {Elliot H. Lieb},
     title = {Gaussian kernels have only {Gaussian} maximizers.},
     journal = {Inventiones mathematicae},
     pages = {179--208},
     publisher = {mathdoc},
     volume = {102},
     number = {2},
     year = {1990},
     zbl = {0726.42005},
     url = {http://geodesic.mathdoc.fr/item/IM_1990__102_2_143833/}
}