Remarks on the Phragmén-Lindelöf theorem for L p -viscosity solutions of fully nonlinear PDEs with unbounded ingredients. Koike, Shigeaki; Nakagawa, Kazushige — 2009 Electronic Journal of Differential Equations (EJDE) [electronic only]
On ε-optimal controls for state constraint problems Hitoshi Ishii; Shigeaki Koike — 2000 Annales de l'I.H.P. Analyse non linéaire