@article{articlef662b55f,
title   = {Global persistence of the unit eigenvectors of perturbed eigenvalue problems in Hilbert spaces: the odd multiplicity case},
author = {Benevieri, Pierluigi and Calamai, Alessandro and Furi, Massimo and Pera, Maria Patrizia},
year = {2021},
doi = {10.3390/math9050561},
publisher = {MDPI},
journal   = {Mathematics}
}