@article{articleb811f426, title = {A degree associated to linear eigenvalue problems in Hilbert spaces and applications to nonlinear spectral theory}, author = {Benevieri, Pierluigi and Calamai, Alessandro and Furi, Massimo and Pera, Maria Patrizia}, year = {2022}, doi = {10.1007/s10884-020-09921-9}, journal = {Journal of Dynamics and Differential Equations} }