@article{SPS_1979__13__548_0,
     author = {Fujisaki, Masatoshi},
     title = {On the uniqueness of optimal controls},
     journal = {S\'eminaire de probabilit\'es de Strasbourg},
     pages = {548--556},
     publisher = {Springer - Lecture Notes in Mathematics},
     volume = {13},
     year = {1979},
     mrnumber = {544823},
     zbl = {0411.93042},
     language = {en},
     url = {http://archive.numdam.org/item/SPS_1979__13__548_0/}
}