@Misc{ CirRon18, author = { Ciraolo, Giulio and Roncoroni, Alberto }, title = { Serrin's type overdetermined problems in convex cones }, journal = { Calculus of Variations and Partial Differential Equations }, year = { 2020 }, doi = { https://doi.org/10.1007/s00526-019-1678-x }, pages = { }, URL = { http://cvgmt.sns.it/paper/4869/ }, note = { cvgmt preprint} }