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