@article{TM_2010_268_a5,
     author = {F. Clarke},
     title = {The {Pontryagin} maximum principle and a~unified theory of dynamic optimization},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {64--75},
     publisher = {mathdoc},
     volume = {268},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_2010_268_a5/}
}