@article{Saccon_1998, title={Multiplicity of bifurcation points for variational inequalities via Conley index}, volume={11}, url={https://apcz.umk.pl/TMNA/article/view/TMNA.1998.005}, abstractNote={NO ABSTRACT}, number={1}, journal={Topological Methods in Nonlinear Analysis}, author={Saccon, Claudio}, year={1998}, month={Mar.}, pages={83–102} }