On the spectra of elements in certain algebras of vector valued functions and sequences. Susanne Dierolf; Khin Aye Aye — 1998 Extracta Mathematicae
Semidirect products of locally convex algbras and the three-space-problem. KHIN AYE AYE AND KARL-HEINZ SCHRODER SUSANNE DiEROLF — 1999 Revista de la Real Academia de Ciencias Exactas Físicas y Naturales