A Regular Metrizable Boundary for Solutions of Elliptic and Parabolic Differential Equations. Peter A. Loeb — 1980 Mathematische Annalen
A Construction of Representing Measures for Elliptic and Parabolic Differential Equations. Peter A. Loeb — 1982 Mathematische Annalen
Nonstandard Integration Theory in Topological Vector Lattices. Peter A. Loeb; Horst Osswald — 1997 Monatshefte für Mathematik