@article{CC_2007_36_1_a1,
     author = {Osmolovskii, N.P. and Maurer, H.},
     title = {Equivalence of second order optimality conditions for bang-bang control problems. {Part} 2: {Proofs,} variational derivatives and representations},
     journal = {Control and Cybernetics},
     pages = {5--45},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {2007},
     zbl = {1293.49043},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CC_2007_36_1_a1/}
}