@Misc{ LaMLeoSch20, author = { La Manna, Domenico Angelo and Leone, Chiara and Schiattarella, Roberta }, title = { On the regularity of very weak solutions for linear elliptic equations in divergence form }, journal = { Nonlinear Differential Equations and Applications }, year = { 2020 }, pages = { }, URL = { http://cvgmt.sns.it/paper/4724/ }, note = { cvgmt preprint} }