Geometric control and nonsmooth analysis : in honor of the 73rd birthday of H. Hermes and of the 71st birthday of R.T. RockafellarAncona, FabioHermes, HenryRockafellar, R. TyrrellEnglishBook2008Singapore : Hackensack, NJ : World Scientific, c2008.Control theory—ResearchNonsmooth optimization—ResearchSystems engineering—ResearchBook9789812776068