@article{CC_2005_34_3_a1,
     author = {Artstein, Zvi},
     title = {Bang-bang controls in the singular perturbations limit},
     journal = {Control and Cybernetics},
     pages = {645--663},
     year = {2005},
     volume = {34},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2005_34_3_a1/}
}