A Penalty Method for the Approximate Solution of Stationary Maxwell Equations. R.H.W. Hoppe Numerische Mathematik
Adaptive mixed hybrid and macro-hybrid finite element methods. Hoppe, R.H.W.; Wohlmuth, B.I. — 1998 Acta Mathematica Universitatis Comenianae. New Series
Flow of electrorheological fluid under conditions of slip on the boundary. Hoppe, R.H.W.; Kuzmin, M.Y.; Litvinov, W.G.; Zvyagin, V.G. — 2006 Abstract and Applied Analysis