@book{Cai-Gru-DoR-Tre-Zid-2015,
    author={Jean-Baptiste Caillau and Lars Grüne and Maria do Rosario de 
           Pinho and Emmanuel Trélat and Hasnaa Zidani },
    title={Special issue on New trends in optimal control },
    publisher={AIMS },
    year={2015 },
    volume={35(9) },
}