@article{COCV_2012__18_2_452_0,
     author = {Osmolovskii, Nikolai P.},
     title = {Second-order sufficient optimality conditions for control problems with linearly independent gradients of control constraints},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {452--482},
     publisher = {EDP-Sciences},
     volume = {18},
     number = {2},
     year = {2012},
     doi = {10.1051/cocv/2011101},
     mrnumber = {2954634},
     zbl = {1246.49017},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2011101/}
}