@article{COCV_2014__20_3_704_0,
     author = {Fr\'ed\'eric Bonnans, J. and Dupuis, Xavier and Pfeiffer, Laurent},
     title = {Second-order sufficient conditions for strong solutions to optimal control problems},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {704--724},
     publisher = {EDP-Sciences},
     volume = {20},
     number = {3},
     year = {2014},
     doi = {10.1051/cocv/2013080},
     mrnumber = {3264220},
     zbl = {1293.49039},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2013080/}
}