Minimax Theorems and Qualitative Properties of the Solutions of Hemivariational InequalitiesDumitru Motreanu, Panagiotis D. Panagiotopoulos · First published 2013Open the Tome
From Convexity to NonconvexityR. P. Gilbert, Panagiotis D. Panagiotopoulos, Panos M. Pardalos · First published 2011Open the Tome
Finite element method for hemivariational inequalitiesJ. Haslinger, P. D. Panagiotopoulos, M. Miettinen, Panagiotis D. Panagiotopoulos · First published 1999Open the Tome