On the optimal growth of functions with bounded Laplacian. Karp, Lavi; Shahgholian, Henrik — 2000 Electronic Journal of Differential Equations (EJDE) [electronic only]

On Liouville type theorems for second order elliptic differential equations Lavi Karp — 1995 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze

Regularity of a free boundary with application to the Pompeiu problem. Caffarelli, Luis A.; Karp, Lavi; Shahgholian, Henrik — 2000 Annals of Mathematics. Second Series