@article{AM2_1992__44_1_137478, author = {Kerris W. Thompson}, title = {Additional results of {Zalcman's} {Pompeiu} problem.}, journal = {Aequationes mathematicae}, pages = {42--47}, publisher = {mathdoc}, volume = {44}, number = {1}, year = {1992}, zbl = {0786.30002}, url = {http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137478/} }