@article{CC_2009_38_4A_a1,
     author = {Dmitruk, Andrei V.},
     title = {On the development of {Pontryagin's} {Maximum} {Principle} in the works of {A.} {Ya.} {Dubovitskii} and {A.} {A.} {Milyutin}},
     journal = {Control and Cybernetics},
     pages = {923--957},
     publisher = {mathdoc},
     volume = {38},
     number = {4A},
     year = {2009},
     zbl = {1236.49003},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2009_38_4A_a1/}
}