LYNN H. LOOMIS : An introduction to abstract harmonic analysis ERLING FOLNER — 1954 Mathematica Scandinavica
Besicovitch almost periodic functions in arbitrary groups ERLING FOLNER — 1957 Mathematica Scandinavica
Generalization of a theorem of Bogolioùboff to topological groups. With an appendix on Banach mean values in nonabelian groups ERLING FOLNER — 1954 Mathematica Scandinavica
Generalization of the general Diophantine approximation theorem of Kronecker. Erling Folner — 1991 Mathematica Scandinavica