@Article{ DraGarSal18, author = { Dragoni, Federica and Garofalo, Nicola and Salani, Paolo }, title = { Starshapedeness for fully-nonlinear equations in Carnot groups }, journal = { Journal of the LMS }, year = { 2018 }, volume = { 2 }, pages = { 1-18 }, URL = { http://cvgmt.sns.it/paper/4357/ }, note = { cvgmt preprint} }