@Article{ BarCesRos14, author = { Bardi, Martino and Cesaroni, Annalisa and Rossi, Luca }, title = { Nonexistence of nonconstant solutions of some degenerate Bellman equations and applications to stochastic control }, journal = { ESAIM Control Optim. Calc. Var. }, year = { 2016 }, volume = { 22 }, number = { 3 }, pages = { 842-861 }, URL = { http://cvgmt.sns.it/paper/2603/ }, note = { cvgmt preprint} }