@article{GDZPPN002064049,
title = {Pompeiu's problem on symmetric spaces.},
journal = {Commentarii mathematici Helvetici},
volume = {55},
year = {1980},
pages = {593-621},
zbl = {0452.43012},
url = {http://dml.mathdoc.fr/item/GDZPPN002064049}
}
Berenstein, C.A.; Zalcman, L. Pompeiu's problem on symmetric spaces.. Commentarii mathematici Helvetici, Tome 55 (1980) pp. 593-621. http://gdmltest.u-ga.fr/item/GDZPPN002064049/