@article{CC_2005_34_3_a14,
     author = {Osmolovskii, N.P. and Maurer, H.},
     title = {Equivalence of second order optimality conditions for bang-bang control problems. {Part} 1: {Main} results},
     journal = {Control and Cybernetics},
     pages = {927--950},
     publisher = {mathdoc},
     volume = {34},
     number = {3},
     year = {2005},
     zbl = {1167.49314},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2005_34_3_a14/}
}