@article{COCV_2003__9__247_0,
     author = {Weiss, George and Tucsnak, Marius},
     title = {How to get a conservative well-posed linear system out of thin air. {Part} {I.} {Well-posedness} and energy balance},
     journal = {ESAIM: Control, Optimisation and Calculus of Variations},
     pages = {247--273},
     publisher = {EDP-Sciences},
     volume = {9},
     year = {2003},
     doi = {10.1051/cocv:2003012},
     mrnumber = {1966533},
     zbl = {1063.93026},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1051/cocv:2003012/}
}