@article{GDZPPN002313189,
title = {A Partial Solution of the Pompeiu Problem.},
journal = {Mathematische Annalen},
volume = {219},
year = {1976},
pages = {183-190},
zbl = {0329.35045},
url = {http://dml.mathdoc.fr/item/GDZPPN002313189}
}
Williams, Stephen A. A Partial Solution of the Pompeiu Problem.. Mathematische Annalen, Tome 219 (1976) pp. 183-190. http://gdmltest.u-ga.fr/item/GDZPPN002313189/