@article{COCV_2019__25__A20_0,
     author = {Tamminen, Eero V.},
     title = {Strong {Lagrange} duality and the maximum principle for nonlinear discrete time optimal control problems},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     publisher = {EDP-Sciences},
     volume = {25},
     year = {2019},
     doi = {10.1051/cocv/2018012},
     zbl = {1442.49044},
     mrnumber = {3982965},
     language = {en},
     url = {http://www.numdam.org/articles/10.1051/cocv/2018012/}
}