G. Di Fazio, Maria Stella Fanciullo, P. Zamboni: Harnack inequality and regularity for degenerate quasilinear elliptic equations (preprint) http://arxiv.org/abs/1010.0322 2010 G. Di Fazio, Maria Stella Fanciullo, P. Zamboni: Hölder regularity for non divergence form elliptic equations with discontinuous coefficients (preprint) http://arxiv.org/abs/1210.5164 2012 G. Di Fazio, E. Francini, F. Raciti, S. Vessella: Stable determination of a Lamé coefficient by one internal measurement of displacement (preprint) http://arxiv.org/abs/1702.01775 2017 G. Di Fazio, T. Nguyen: Regularity estimates in weighted Morrey spaces for quasilinear elliptic equations (preprint) http://arxiv.org/abs/1810.12496 2018