Transformations of sheaf connections. Vassiliou, Efstathios — 1996 Balkan Journal of Geometry and its Applications (BJGA)
Remarks on the cohomological classification of certain Fréchet bundles. Galanis, George; Vassiliou, Efstathios — 2004 Balkan Journal of Geometry and its Applications (BJGA)
Universal connections on Lie groupoids. Vassiliou, Efstathios; Nikolopoulos, Apostolos — 2003 International Journal of Mathematics and Mathematical Sciences
Total differential equations and the structure of fibre bundles Efstathios Vassiliou — 1986 Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
On the Geometry of Associated Sheaves Efstathios Vassiliou — 2000 Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
On affine extensions of the holonomy homomorphisms of flat principal bundles Efstathios Vassiliou — 1990 Colloquium Mathematicae
Connections on 1-jets principal fiber bundles Efstathios Vassiliou — 1976 Rendiconti del Seminario Matematico della Università di Padova
Christoffer Symbols and Connection Forms on Infinite-Dimensional Fibre Bundles Efstathios E. Vassiliou — 1974 Δελτίο της Ελληνικής Μαθηματικής Εταιρίας
A Floquet-Liapunov theorem in Fréchet spaces George N. Galanis; Efstathios E. Vassiliou — 1998 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze