@article{COCV_2006__12_1_93_0,
     author = {Tr\"oltzsch, Fredi and Wachsmuth, Daniel},
     title = {Second-order sufficient optimality conditions for the optimal control of {Navier-Stokes} equations},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {93--119},
     publisher = {EDP-Sciences},
     volume = {12},
     number = {1},
     year = {2006},
     doi = {10.1051/cocv:2005029},
     mrnumber = {2192070},
     zbl = {1111.49017},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv:2005029/}
}